Sumantoro H, Imam Tabrani M, Sabri. THE EFFECT OF PRICES AND PROMOTIONS ON LUTI DRUM BUYING DECISION IN TANJUNG PINANG. PENANOMICS [Internet]. 2023 Feb. 9 [cited 2025 Apr. 20];2(1):39-47. Available from: https://penajournal.com/index.php/PENANOMICS/article/view/99