Choirisa, Septi, and Adestya Armeilia. “Marketing Operational in Increasing the Level of Occupancy at Century Park Hotel Jakarta”. Ultima Management : Jurnal Ilmu Manajemen 10, no. 2 (January 31, 2019): 120-128. Accessed November 21, 2024. https://ejournals.umn.ac.id/index.php/manajemen/article/view/986.