kusno kusno and Mubarok, “OPTIMALISASI PENGGUNAAN GROUND SUPPORT EQUIPMENT DI EXISTING AREA TERHADAP TINGKAT KELANCARAN OPERASIONAL DI SISI UDARA BANDAR UDARA INTERNASIONAL I GUSTI NGURAH RAI BALI ”, jp, vol. 5, no. 2, pp. 58–68, Aug. 2020.