มานนท์ สุภาพ, and หิรัญญสมบูรณ์ กตัญญู. “MARKETING MIX FACTOR AFFECTING DECISION TO PURCHASE SUNSCREEN OF SPORTSMAN IN BANGKOK”. Journal of KMITL Business school 7, no. 1 (June 29, 2017): 1–15. Accessed April 26, 2024. https://so02.tci-thaijo.org/index.php/fam/article/view/208045.