Vol. 30 No. 2 (2026)

Articles

• Texture features-based automated classification for dental caries level images

  Yessi Jusman, Sartika Puspita, Nanang Kurniawan, Syahrul Gunawan, Berli Paripurna Kamiel, Zul Indra, Nor Ashidi Mat Isa

  319-336

  • PDF   Article Views: 308 times | Article Downloads: 293 times

• Influence of water and oil quenching on the microstructure and mechanical properties of S45C steel

  Enok Mardiah, Suharmadi Suharmadi, Farrah Anis Fazliatul Adnan, Jong Soo Rhyee, Dianta Ginting

  337-346

  • PDF   Article Views: 233 times | Article Downloads: 69 times

• Nonparametric Statistical Approach For Failure Prioritisation in Reliability Centered Maintenance at Petrochemical Laboratory

  Maria Ulfah, Ratna Ekawati, Dicka Prameswara

  347-360

  • PDF   Article Views: 130 times | Article Downloads: 106 times

• Influence of lemon skin powder on the mechanical and thermal properties of polyvinyl alcohol (PVA)/cassava starch biocomposites prepared by solution casting method

  Salahuddin Junus, Revvan Rifada Pradiza, Muhammad Yusuf, Mahros Darsin, Gaguk Jatisukamto, Mochamad Asrofi

  361-370

  • PDF   Article Views: 311 times | Article Downloads: 36 times

• Coating materials to enhance the corrosion resistance of magnesium-based implants: a review

  Slamet Saefudin, Purnomo Purnomo, Muhammad Omar Rusydi, Samsudi Raharjo, Kuzmin Anton, M. Edi Pujianto

  371-384

  • PDF   Article Views: 194 times | Article Downloads: 79 times

• Integrating industrial engineering tools and behavioral modeling for optimizing operational efficiency in nature-based tourism services

  Didit Damur Rochman, Louie A. Divinagracia, Andhi Sukma

  385-396

  • PDF   Article Views: 173 times | Article Downloads: 72 times

• Extrusion parameter optimization to improve the mechanical performance of recycled PLA-PETG blends using Taguchi-GRA approach

  Annisa Fatimatus Zahro, Ihwan Ghazali, Achmad Pratama Rifai, Wangi Pandan Sari

  397-410

  • PDF   Article Views: 252 times | Article Downloads: 42 times

• 4×1 Quarter-Circle Notched array antenna with independent feeding for enhanced beam steering mechanism at C-band frequency

  Tri Nur Arifin, Ganjar Febriyani Pratiwi, Erfiana Wahyuningsih, Arief Budi Santiko, Suisbiyanto Prasetya, Dian Rusdiyanto, Syah Alam, Yohanes Galih Adhiyoga

  411-420

  • PDF   Article Views: 138 times | Article Downloads: 56 times

• A traceability model for rental equipment in support companies within the oil and gas industry

  Asep Endih Nurhidayat, Rina Fitriana, Didien Suhardini, Asri Nugrahanti, Sannia Mareta

  421-432

  • PDF   Article Views: 284 times | Article Downloads: 53 times

• Comparative seismic performance of flat slabs using four design codes

  Samsul Abdul Rahman Sidik Hasibuan, Hakas Prayuda, Suraya Hani Adnan, Tengku Anita Raja Hussin, Fredy Kurniawan, Tika Ermita Wulandari

  433-448

  • PDF   Article Views: 308 times | Article Downloads: 75 times

• Vision-guided tracking and detection using the YOLOv5 model on a logistic delivery fixed-wing UAV

  Son Ali Akbar, Muhammad Taufiq Dinar Akbar, Anton Yudhana, Kamarul Hawari Ghazali

  449-458

  • PDF   Article Views: 181 times | Article Downloads: 39 times

• Possibility of using immersion cooling technology with virgin coconut oil for split-type AC

  Achmad Wibolo, I Wayan Temaja, Ida Bagus Gde Widiantara, Made Ery Arsana, M. Yusuf

  459-468

  • PDF   Article Views: 268 times | Article Downloads: 63 times

• Taguchi-based optimization of activation parameters in activated carbon production for water pollutant adsorption

  I Gusti Agung Kade Suriadi, Dewa Ngakan Ketut Putra Negara, Tjokorda Gde Tirta Nindia, I Ketut Adi Atmika, I Gusti Komang Dwijana, I Made Gatot Karohika, Anak Agung Istri Agung Sri Komaladewi, Gopi Prasetiyo

  469-480

  • PDF   Article Views: 139 times | Article Downloads: 32 times

• Topographic and hydro-oceanographic feasibility of a chemical port in Morowali

  Lastarida Sinaga, Tiara Nofiana, Cahyadi Cahyadi , Wulandari Wulandari , Ira Damayanti, Ganjar Sidik Gandara, Siti Hanan

  481-490

  • PDF   Article Views: 106 times | Article Downloads: 48 times

• Activated carbon air filter and rubber seed oil approach from waste rubber seed shell for alternative fuel and improving air quality

  Dafit Feriyanto, Supaat Zakaria, Alfian Noviyanto, Nurato Nurato, Dedik Romahadi, Hadi Pranoto, Samir Sani Abdulmalik

  491-500

  • PDF   Article Views: 260 times | Article Downloads: 37 times

• Experimental study of engine performance using a blend of RON 90 gasoline and fractionated gasoline equivalent from plastic pyrolysis oil

  Bisrul Hapis Tambunan, Janter P. Simanjuntak, Sahala Siallagan, Bonaraja Purba, Rimbawati Rimbawati, Nurin Wahidah Mohd Zulkifli, Mohd Kamal Kamarulzaman

  501-510

  • PDF   Article Views: 219 times | Article Downloads: 39 times

• Enhanced accuracy for classification modeling with a Decision Tree on rooftop solar PV

  Alfin Sahrin, Erna Utami, Ali Musyafa, Aris Suryadi, Didik Notosudjono, Andi Andriansyah

  511-526

  • PDF   Article Views: 225 times | Article Downloads: 57 times

• Stability improvement of the Southern Sulawesi system using the Hippopotamus Optimization Algorithm (HOA)

  Imam Robandi, Vita Lystianingrum, Jamaaluddin Jamaaluddin, Izza Anshory, Muhammad Ruswandi Djalal, Mohamad Almas Prakasa, Akhmad Ramadhani

  527-542

  • PDF   Article Views: 202 times | Article Downloads: 37 times

• Pore-water pressure as the stress reference in the stress state variables for unsaturated soils, a theoretical revisit

  Sugeng Krisnanto, Sahlan Safar Insanul Zhafir Ruhyana, Chrysti Adi Wicaksono, Muhammad Ikhsan Muslimin

  543-558

  • PDF   Article Views: 234 times | Article Downloads: 58 times

• A hybrid exploratory factor analysis - Grey Delphi framework for prioritization in occupational health and safety risks in the textile industry

  Sofian Bastuti, Roslina Mohammad, Abdul Yasser Abd Fatah, Rini Alfatiyah, Nurazean Maarop, Hayati@Habibah Abdul Talib

  559-574

  • PDF   Article Views: 148 times | Article Downloads: 56 times

• Gradient-induced fuel consumption and CO₂ emission sensitivity: a comparative analysis of two and three-axle trucks on short uphill segments

  Hakzah Hakzah, Abdul Rahman, Andriyani Andriyani, Jasman Jasman, Kasmaida Kasmaida

  575-590

  • PDF   Article Views: 146 times | Article Downloads: 77 times

• Benchmarking YOLOv8 and vision transformers for intelligent fish monitoring in aquaponics and controlled aquarium environments

  Tresna Dewi, Yurni Oktarina, Sri Rezki Artini, Gita Ayu Julianka, Jhoni Satria

  591-604

  • PDF   Article Views: 126 times | Article Downloads: 41 times

• Design and optimization of an electric screw propeller vehicle chassis using a BBNN-GA hybrid approach

  Mohammad Khoirul Effendi, Muhammad Ghazy Rizqi Fahada, Harus Laksana Guntur

  605-616

  • PDF   Article Views: 229 times | Article Downloads: 35 times

• Comparison of Carbon Utilization Technologies for Decarbonization Strategy in the Ammonia Industry

  Daril Ridho Zuchrillah, Rizal Arifin, Friska Dwi Pratiwi, Niken Rani Nastiti, Achmad Dwitama Karisma, Ardista Izdhihar Kaloka, Soeprijanto Soeprijanto

  617-634

  • PDF   Article Views: 142 times | Article Downloads: 35 times

• An adaptive decreasing sigmoid convergence factor for enhancing Grey Wolf Optimizer performance in high-dimensional optimization problems

  Andi Adriansyah, Yudhi Gunardi, Heru Suwoyo, Fina Supegina, Isack Farady, Ahmad 'Athif Mohd Faudzi

  635-646

  • PDF   Article Views: 178 times | Article Downloads: 36 times

• Climate adaptive temperature correction for mitigating PV degradation in ASEAN climates

  Arief Marwanto, Gunawan Gunawan, Imam Much Ibnu Subroto, Mochammad Facta, Munawar Agus Riyadi, Tole Sutikno

  647-656

  • PDF   Article Views: 106 times | Article Downloads: 25 times

• Bitcoin price prediction using Autoencoder-based GRU and LSTM models

  Nurun Nafisah, Yuni Yamasari, Ervin Yohannes

  657-670

  • PDF   Article Views: 90 times | Article Downloads: 27 times