Olarn , J. ., & Tadaamnuaychai, M. . (2023). Effectiveness of Facebook Advertising for a New Brand of Food Supplement for Plant: A Case Study of Chitonical . Dusit Thani College Journal, 17(1), 157–173. Retrieved from https://so01.tci-thaijo.org/index.php/journaldtc/article/view/267448