Chuenpiriyanon, N., L. Chaiwong, S. Jongprasitkul, W. Takkabutr, P. Nittiwattanawit, and P. Suriyachai. “Determinants of cesarean section at Phayao Hospital”. Chiangrai Medical Journal, vol. 18, no. 2, Aug. 2026, pp. 1-14, https://he01.tci-thaijo.org/index.php/crmjournal/article/view/281290.