T. Srisun, S. Sangin, and U. . Chuahorm, “Effects of a Midwifery-Led Labor Management Program on Duration of Second Stage of Labor, Degree of Perineal Tear, and Childbirth Comfort in Primiparous Women”, J Thai Nurse midwife Counc, vol. 38, no. 01, pp. 67–82, Mar. 2023.