HERIYANTI, Heriyanti; SAMSIDAR, Samsidar; AMRI, Iful; PEBRALIA, Jesi; RUSTAN, Rustan; HANDAYANI, Linda; PESLINOF, Mardian; AYUNDARI, Desi; SUTRISNO, Sutrisno. STUDY AWAL KARAKTERISASI SENSOR WARNA TC3200 UNTUK MENENTUKAN KADAR KAFEIN PADA KOPI . JOURNAL ONLINE OF PHYSICS, [S. l.], v. 7, n. 1, p. 52–57, 2021. DOI: 10.22437/jop.v7i1.15286. Disponível em: https://online-journal.unja.ac.id/jop/article/view/15286. Acesso em: 9 mar. 2025.