Srivorakan, K., P. Jarutirasarn, and P. Suesawadwanit. “Sustainability of Corporate Social Responsibility Activities”. Ph.D. In Social Sciences Journal, vol. 13, no. 3, Dec. 2023, pp. 631-43, https://so05.tci-thaijo.org/index.php/phdssj/article/view/268431.