Jaypee N. Padua, Dionisio R. Tandingan Jr., R. L. B. J. M. A. “Mobile-Based Monitoring System Framework for Smart Hydroponics Lettuce Farming”. International Journal on Recent and Innovation Trends in Computing and Communication, vol. 12, no. 2, May 2024, pp. 222-6, https://ijritcc.org/index.php/ijritcc/article/view/10556.