“SISTEM MONITORING DAN PERINGATAN KETINGGIAN AIR KOLAM IKAN DENGAN SENSOR HC-SR04”. Melek IT : Information Technology Journal 8, no. 1 (June 30, 2022): 91–104. Accessed July 9, 2024. https://melekit-if.uwks.ac.id/index.php/melekit/article/view/224.