Nurhasan, Usman, Arief Prasetyo, Gilang Lazuardi, Erfan Rohadi, and Hendra Pradibta. “Implementation IoT in System Monitoring Hydroponic Plant Water Circulation and Control”. International Journal of Engineering & Technology 7, no. 4.36 (December 9, 2018): 1352–1356. Accessed May 1, 2024. https://sciencepubco.com/index.php/ijet/article/view/28985.