Khampan, Chutipa, and Sasichai Pimpan. “Relationships between Predictive Marketing Strategies and Performance of Dietary Supplement Businesses in Thailand”. Journal of Humanities and Social Sciences Thonburi University 17, no. 2 (May 3, 2023): 81–92. accessed September 12, 2026. https://so03.tci-thaijo.org/index.php/trujournal/article/view/266895.