Danpradit, prapaiwan and Danpradit, P. 2022. 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, 3 (Jun. 2022), 189–198. DOI:https://doi.org/10.14456/vmj.2022.19.