Arago, Nilo, Rodney Rafael Robles, Chris Alvarez, Angelita Mabale, Charl Legista, Nicole Repiso, Timothy Amado, et al. 2022. “Smart Dairy Cattle Farming and In-Heat Detection through the Internet of Things (IoT)”. International Journal of Integrated Engineering 14 (1): 157-72. https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/7342.