Sumarno, Edy. 2018. “RANCANG BANGUN PALANG PINTU KERETA API OTOMATIS MENGGUNAKAN SENSOR GETAR BERBASIS PLC DAN WIRELESS XBee Pro S2C”. EPIC Journal of Electrical Power Instrumentation and Control 2 (1):35-43. https://doi.org/10.32493/epic.v2i1.1596.