Danpradit, prapaiwan, and Prapaiwan Danpradit. “Family Problems of Adolescent Students in the Sex-Risk Group and the Non Sex-Risk Group in a Province in the Metropolitan Area of Bangkok”. Vajira Medical Journal : Journal of Urban Medicine 66, no. 3 (June 29, 2022): 189–198. accessed September 18, 2026. https://he02.tci-thaijo.org/index.php/VMED/article/view/255833.