sonia Listi H, Surenda R. The Influence of Price and Online Promotions on Guest Loyalty at Aston Batam Hotel and Residence. JoMM [Internet]. 2025 Aug. 20 [cited 2026 Jun. 28];2(3):336-41. Available from: https://journal.herphieducation.com/index.php/jomm/article/view/66