Somjai , C., Kantaruksa , K. and Chaloumsuk , N. (2020) “Effectiveness of Breastfeeding Self-efficacy Enhancement: A Systematic Review”, Nursing Journal CMU, 47(2), pp. 227–239. available at: https://he02.tci-thaijo.org/index.php/cmunursing/article/view/241842 (accessed: 19 September 2026).