Sinpranee, U. “Result of Innovation ‘Sleeping Bags to Prevent Neonatal hypothermia’ for Development of the Service System”. Thammasat University Hospital Journal Online, vol. 7, no. 2, Aug. 2022, pp. 56-60, https://he02.tci-thaijo.org/index.php/TUHJ/article/view/259071.