Khwanmueang, P., Chunuan, S. and Thitimapong, B. (2020) “Effect of Childbirth Preparation Program with Continuous Labor Support on Labor Pain of First-Time Teenage Pregnant Women”, Nursing Journal of The Ministry of Public Health, 30(3), pp. 115–127. available at: https://he02.tci-thaijo.org/index.php/tnaph/article/view/248456 (accessed: 6 October 2026).