Chainakin, Pattiya, Nantaporn Sansiriphun, Nonglak Chaloumsuk, and Jirawan Deeluea. 2023. “Effectiveness of the Breastfeeding Self-efficacy and Family Support Enhancement Program among First-time Postpartum Mothers: A Randomized Controlled Trial”. Pacific Rim International Journal of Nursing Research 27 (4):694-710. https://doi.org/10.60099/prijnr.2023.262625.