Wattanaruangkowit, Wittaya. 2018. “Vaginal Birth After Cesarean Section (VBAC) at Yasothon Hospital: A12 Year Descriptive and Retrospective Analytic Study”. Journal of Health Science of Thailand 17 (Supplement III):SIII676-682. https://www.thaidj.org/index.php/JHS/article/view/5108.