Prakoso D, Prasetyo Y, Winarno B, Triyono B. Design System Warning & Safety Escalator dengan HMI Berbasis PLC. JTEIN [Internet]. 3Aug.2023 [cited 5Oct.2024];4(2):490 -. Available from: http://jtein.ppj.unp.ac.id/index.php/JTEIN/article/view/356