phalasri, Amornrat, and Rattanapenporn Siriwallop. “Effects of the Information-Motivation-Behavioral Skills Training Program on knowledge and unwanted pregnancy preventive behaviors among university students in Chaiyaphum province”. Thai Journal of Nursing 71, no. 4 (November 26, 2022): 47–54. accessed December 6, 2025. https://he02.tci-thaijo.org/index.php/TJN/article/view/257146.