Sirisakulpaisal, B., Bormann, S. von, Boonpleng, W., Kerdsuwan, P., Buapud, S., & Somnuekprasert, W. (2018). Relationship between Knowledge, Attitude, Perception of Self-Protection Skills and Risk Behavior to Pregnancy of Junior High School Students. Nursing Science Journal of Thailand, 36(4), 77–86. Retrieved from https://he02.tci-thaijo.org/index.php/ns/article/view/176904