phalasri, Amornrat, and Rattanapenporn Siriwallop. 2022. “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 (4):47-54. https://he02.tci-thaijo.org/index.php/TJN/article/view/257146.