Sangwiman N, Sapsanguanboon W. Types of Sales Promotion Influencing the Product Buying of Modern Trade Drug Store in Bangkok. bus. rev. j. [Internet]. 2020 Dec. 25 [cited 2024 Apr. 26];12(2):36-49. Available from: https://so01.tci-thaijo.org/index.php/bahcuojs/article/view/179209