Harvyandha, Avryan. “Telemetri Pengukuran Derajat Keasaman Secara Real Time Menggunakan Raspberry Pi”. Journal of Telecommunication Network (Jurnal Jaringan Telekomunikasi) 9, no. 4 (December 25, 2019): 55-60. Accessed April 23, 2024. https://jartel.polinema.ac.id/index.php/jartel/article/view/158.