Nhusawi, Kamonrat, Korada Mattayakorn, Ratree Ruangthai, and Wimonmas Prachakul. “Causal relationship model for maintaining exercise behavior among Thai university staff: Integration of transtheoretical model and self-determination theory”. Kasetsart Journal of Social Sciences 43, no. 4 (October 12, 2022): 883–890. accessed September 15, 2026. https://so04.tci-thaijo.org/index.php/kjss/article/view/261656.