Maulana, G. G., A. Budiyarto, and Ridwan. “DESIGN IMPLEMENTATION ANDON FOR PRODUCTION MONITORING SYSTEM BASED ON INTERNET OF THINGS”. International Journal of Engineering Technologies and Management Research, vol. 8, no. 12, Jan. 2022, pp. 69-79, doi:10.29121/ijetmr.v8.i12.2021.1083.