Taechavichitpisal, Chanikan, and Nopporn Rodpenpear. “Effect of Immediate Postpartum Skin-to-Skin Contact Between Mothers and Newborns on Episiotomy Pain: A Randomized Controlled Trial”. Journal of Health Science and Medical Research 41, no. 6 (September 21, 2023): e2023978. accessed April 13, 2025. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/266115.