Ningrum DP, Bowo F, Pamungkas RM. Implementation of Promotion Mix in Increasing Visits at Kalya Hotel Yogyakarta. POPULIKA [Internet]. 2025 Jul. 31 [cited 2026 Apr. 18];13(2):141-53. Available from: https://www.ejournal.widyamataram.ac.id/index.php/populika/article/view/1620