Laphon, Suwanan, Siriwan Sangin, and Chintana Wacharasin. “Factors Predicting Perception of Insufficient Milk Supply in First-time Postpartum Mothers”. Nursing Science Journal of Thailand 43, no. 4 (October 31, 2025): 334–347. accessed December 6, 2025. https://he02.tci-thaijo.org/index.php/ns/article/view/277416.