คงสตรี ปรางทิพย์. 2016. “Factors Associated with Virological Failure in Children Receiving First-line Regimens Antiretroviral Therapy in Chaiyaphum Hospital”. Region 11 Medical Journal 30 (1):15-21. https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/177461.