RUSTAN, R.; DWI RAMADHAN, F.; AFRIANTO, M. F.; HANDAYANI, L.; PUJI LESTARI, A.; MANIN, F. PERANCANGAN ALAT PENGUKUR KADAR UNSUR HARA NPK PUPUK KOMPOS. JOURNAL ONLINE OF PHYSICS, [S. l.], v. 8, n. 1, p. 55-60, 2022. DOI: 10.22437/jop.v8i1.20838. Disponível em: https://mail.online-journal.unja.ac.id/jop/article/view/20838. Acesso em: 20 nov. 2024.