VERA, V. F. S.; EKAWITA, R.; YULIZA, E. DESAIN BANGUN pH TANAH DIGITAL BERBASIS ARDUINO UNO. JOURNAL ONLINE OF PHYSICS, [S. l.], v. 7, n. 1, p. 36-41, 2021. DOI: 10.22437/jop.v7i1.14589. Disponível em: https://online-journal.unja.ac.id/jop/article/view/14589. Acesso em: 21 jul. 2024.