Chetchotsak, Y., P. Sitiwongsa, and P. Wongwi. “Effects of Information Giving on Anxiety , Knowledge and Practice Among Mothers of Infants With Retinopathy of Prematurity”. Srinagarind Medical Journal, vol. 28, no. 2, Aug. 2013, pp. 155-62, https://li01.tci-thaijo.org/index.php/SRIMEDJ/article/view/11048.