RANCANG BANGUN SISTEM INFORMASI PREVENTIVE MAINTENANCE PT. KAI UNIT SINTELIS 8.5 SURABAYA GUBENG. inotek [Internet]. 2020 Dec. 23 [cited 2025 Dec. 8];1(1):085-92. Available from: https://proceeding.unpkediri.ac.id/index.php/inotek/article/view/355