Rizal, Fahrul, Gede Saindra Santyadiputra, and Gede Aditra Pradnyana. “Prototype of Water Quality Monitoring for Grouper Fish Pond Based on Microcontroller Arduino”. International Journal of Natural Science and Engineering 5, no. 2 (September 23, 2021): 77–86. Accessed May 6, 2024. https://ejournal.undiksha.ac.id/index.php/IJNSE/article/view/32702.