Utami IW, Sentosa I, Osman S. ANALYSIS OF HUMAN PERFORMANCE IMPROVEMENT FACTORS BETWEEN FRONTLINE HOTEL SERVICES. IJEBAR [Internet]. 2023 Jun. 23 [cited 2026 Feb. 18];7(2):511-8. Available from: https://jurnal.stie-aas.ac.id/index.php/IJEBAR/article/view/8117