Hidayat, Rachmat, Haryanto Haryanto, & Yacob Agung Pramono. " Design of Assesment Information System Employee Service in PT. Aerotrans Services Indonesia with Methods Key Performance Indicator (KPI)." REMIK (Riset dan E-Jurnal Manajemen Informatika Komputer) [Online], 4.1 (2019): 5-9. Web. 28 Feb. 2020