Mangkona, Cante B, Basri H, Adriansyah. Analisa Kerusakan Relay Valve Dan Air Dryer Pada Air Charging System Unit Heavy Equipment Off Highway Truck (OHT) 777D Caterpillar. mediaperspektif [Internet]. 2020Jun.3 [cited 2026Jun.20];12(1):33-1. Available from: https://ejurnal.polnes.ac.id/index.php/mediaperspektif/article/view/1354