Pankham, S. . and Janjariyakul, P. (2021) “The Influence of Causal Factors on Purchasing Intention TOEIC Online Course of Consumers in Bangkok and Its Vicinity”, Arts of Management Journal. Bangkok, Thailand, 5(1), pp. 103–117. available at: https://so02.tci-thaijo.org/index.php/jam/article/view/246185 (accessed: 7 April 2025).