Ningrum, Dyaloka Puspita, Frima Bowo, and Rebaudhy Mahardhika Pamungkas. “Implementation of Promotion Mix in Increasing Visits at Kalya Hotel Yogyakarta”. POPULIKA 13, no. 2 (July 31, 2025): 141–153. Accessed April 18, 2026. https://www.ejournal.widyamataram.ac.id/index.php/populika/article/view/1620.