Ansook, P., P. Kaewsiri, and W. Chunhapran. “Factors Related to Perceived Insufficient Milk Supply Among Mothers With Cesarean Section at Nakhon Phanom Hospital”. Nursing Research and Innovation Journal, vol. 28, no. 3, Dec. 2022, https://he02.tci-thaijo.org/index.php/RNJ/article/view/248074.