1.
Theresia Uli Ritonga, Enda Yunita Surbakti. Influence of Price and Promotion on the Purchasing Decision of Event Organizer Services PT Showbitz Mitra Utama Medan. JMBEP [Internet]. 2024 Mar. 31 [cited 2026 Aug. 1];10(1):65-80. Available from: https://jurnal.eka-prasetya.ac.id/index.php/MBEP/article/view/333