Apichutboonchock, S. “The development of a case study learning model for developing student nurses’ competency in respiratory assessment in a newborn intensive care unit”. Vajira Medical Journal : Journal of Urban Medicine, vol. 59, no. 3, Apr. 2016, p. 25, https://he02.tci-thaijo.org/index.php/VMED/article/view/54151.