MASCHUR08.01.53.0027. 2014. “SISTEM PAKAR PENANGANAN GANGGUAN MESIN LOKOMOTIF CC201 PADA PT. KERETA API INDONESIA (PT. KAI) BERBASIS WEB”. Information Technology and Telematics 4 (2). https://www.unisbank.ac.id/ojs/index.php/fti3/article/view/2811.