RAHAYU, Yusnita; AFIF, Luthfi; SOH, Ping Jack. Design and development of smart lock system based QR-Code for library’s locker at Faculty of Engineering, Universitas Riau. SINERGI, Jakarta, Indonesia, v. 26, n. 3, p. 379–384, 2022. DOI: 10.22441/sinergi.2022.3.013. Disponível em: https://publikasi.mercubuana.ac.id/index.php/sinergi/article/view/14986. Acesso em: 25 aug. 2026.