Kaewmanee, Y., and S. Triprakong. “Needs and responsiveness of self- development in professional nursing role in the Department of nursing service, Songklanagarind Hospital”. Journal of Research in Nursing-Midwifery and Health Sciences, vol. 31, no. 3, Mar. 2012, pp. 41-56, https://he02.tci-thaijo.org/index.php/nur-psu/article/view/795.