Boonroungrut C, Fei H. The Theory of Planned Behavior and Transtheoretical Model of Change: a systematic review on combining two behavioral change theories in research. J Public Hlth Dev [internet]. 2018 Mar. 28 [cited 2025 Dec. 10];16(1):75-87. available from: https://he01.tci-thaijo.org/index.php/AIHD-MU/article/view/100950