Suprihono, S., Zaman, K., & Pratama, D. P. A. (2025). The Effect of Price Discounts and Sales Promotions on the Increase of Medicine Sales Volume at PT MBF Surabaya. Dinasti International Journal of Management Science, 7(1), 199–208. https://doi.org/10.38035/dijms.v7i1.5576