Sirited, Phasit, Jantira Khamsaart, Anocha Saelao, Kornchanok Saengsahwat, Warisara Nutkasem, Artiya Sawasdee, and Tanaphat Waijampa. 2021. “Effect of Application of Self-Efficacy Theory on Life Skills in Preventing Sexual Risk Behavior of Early Adolescents in Phetchaburi Province”. Public Health Policy and Laws Journal 7 (2):327-46. https://so05.tci-thaijo.org/index.php/journal_law/article/view/250898.