Sangwiman , N. and Sapsanguanboon, W. (2020) “Types of Sales Promotion Influencing the Product Buying of Modern Trade Drug Store in Bangkok”, Business Review Journal, 12(2), pp. 36-49. Available at: https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/179209 (Accessed: 15May2021).