Ratnasari D, Rodhiyah, Pramudwiatmoko A. IoT Prototype Development of Automatic Fish Feeder and Water Replacement. Int. J. Eng. Technol. Nat. Sci. [Internet]. 2020Dec.4 [cited 2026Jun.4];2(2):51 -55. Available from: //journal.uty.ac.id/index.php/IJETS/article/view/71