Rattanawong, Plengprai. “Case Study : Pregnancy in Collage”. Education journal Faculty of Education, Nakhon Sawan Rajabhat University 5, no. 2 (August 25, 2022): 38–52. accessed October 4, 2026. https://so02.tci-thaijo.org/index.php/edunsrujo/article/view/254128.