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, I Gusti Ngurah Janardana, & I Nyoman Budiastra. " RANCANG BANGUN SISTEM MONITORING NILAI pH DAN KADAR KEKERUHAN AIR PADA KOLAM TERNAK KODOK LEMBU BERBASIS IoT." Jurnal SPEKTRUM [Online], 7.2 (2020): 29-35. Web. 2 Sep. 2026