Bamrungsetthapong, S. “Marketing Communication Strategies of Protpittayapayat School, The Secondary Educational Service Area Office Bangkok 2”. Journal of Innovative Business Management Research, vol. 2, no. 3, Dec. 2025, pp. 17-36, https://so07.tci-thaijo.org/index.php/JIBMR/article/view/8853.