RETNA WARDANI, I. I.; KUNTO EKO SUSILO. Rancang Bangun Kontrol Keasaman pH Tanaman dalam Sistem Hidroponik menggunakan Kontrol PID Berbasis Android. Systemic: Information System and Informatics Journal, [S. l.], v. 6, n. 2, p. 27–32, 2021. DOI: 10.29080/systemic.v6i2.970. Disponível em: https://jurnalsaintek.uinsby.ac.id/index.php/SYSTEMIC/article/view/970. Acesso em: 26 apr. 2024.