Nakwaree, Suphaphat, Somsak Suthutvoravut, Sunya Patrachai, and Vajira Singhakajen. 2009. “Assessment of Breastfeeding at Angthong Hospital”. Ramathibodi Medical Journal 32 (1):32-42. https://doi.org/10.33165/rmj.2009.32.1.175137.