K. Kunlapatsangtong, W. Phahuwatanakorn, P. Limruangrong, and W. Putdivarnichapong, “Effect of a Psychosocial Support Program on Child Care Self-Efficacy and Postpartum Depression in First-Time Mothers”, Nursing Journal CMU, vol. 52, no. 4, pp. 278–292, Dec. 2025.