Ningrat, Wahyu Cakra. “Implementation of PLC Outseal As a Controller of Ammonia Gas Circulation in Chicken Coops With HMI Modbus Monitoring”. Indonesian Vocational Research Journal, vol. 2, no. 2, July 2023, pp. 1-6, https://journal.umg.ac.id/index.php/ivrj/article/view/5480.