KNIGHT, Guntur Petrus Boy. Perancangan dan Implementasi Mesin Daur Ulang Sampah Botol Plastik Menggunakan Arduino Mega dan PLC. Piston: Journal of Technical Engineering, [S. l.], v. 6, n. 1, p. 41–47, 2022. DOI: 10.32493/pjte.v6i1.21576. Disponível em: https://openjournal.unpam.ac.id/index.php/Piston/article/view/21576. Acesso em: 16 mar. 2026.