Warning: file_get_contents(https://ojs.journalbusiness.my/ojs.php): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /var/www/ojs.unud.ac.id_backup/lib/pkp/includes/functions.inc.php on line 4 DHARMA YASA, Ketut; JANARDANA, I Gusti Ngurah; BUDIASTRA, I Nyoman. RANCANG BANGUN SISTEM MONITORING NILAI pH DAN KADAR KEKERUHAN AIR PADA KOLAM TERNAK KODOK LEMBU BERBASIS IoT. Jurnal SPEKTRUM, [S.l.], v. 7, n. 2, p. 29-35, june 2020. ISSN 2684-9186. Available at: <https://ojs.unud.ac.id/index.php/spektrum/article/view/60390>. Date accessed: 28 aug. 2026. doi: https://doi.org/10.24843/SPEKTRUM.2020.v07.i02.p5.