Manowwhan, B.- nga, C. Yusamran, and N. Thananowan. “Age, Education, Social Support, Migration, and Access to Health Services Predicting Antenatal Visits in Postpartum Mothers: Retrospective Study”. Journal of Phrapokklao Nursing College, Chanthaburi, vol. 27, no. 2, Mar. 2018, pp. 1-15, https://he01.tci-thaijo.org/index.php/pnc/article/view/117262.