K. Sirisom, P. Wunnawilai, A. Ampansirirat, S. Chuencharoen, and A. Chitviboon, “Effect of Case Studies Combined with Concept Mapping Technique on Critical Thinking of Nursing Students”, ์Nurs Sci J Thail, vol. 33, no. 1, pp. 18–26, Mar. 2015.