Maya Putra MU, Agustina TL, Nurainun N. Promotional strategy and Prices as well as Distribution channels On Sales Performance In PT Alva Mountindo Medan . Mantik [Internet]. 2024May30 [cited 2026May8];8(1):663-9. Available from: https://iocscience.org/ejournal/index.php/mantik/article/view/5045