Wardana, A. W. (2022) “PERBANDINGAN PHYSICAL PROPERTIES ARANG TEMPURUNG KELAPA, ARANG KAYU MERANTI DAN CANGKANG BIJI KOPI”, Jurnal Teknik Mesin (Journal Of Mechanical Engineering). Jakarta, Indonesia, 11(1), pp. 58–65. doi: 10.22441/jtm.v11i1.13101.