K. Juntakanon, S. Siriarunrat, and P. Lapvongwatana, “Effects of a Self-Efficacy Promoting for Active Birth on Childbirth a Self-Efficacy, Fear of Childbirth, and Pain Coping Among Primiparous Women”, Nursing, vol. 20, no. 2, pp. 147–161, Aug. 2026.