Boonnuch, C., Swangpanich, S., Jaichuen, S. ., Temchavala, K. . and Chansukitmathee, S. . (2006) “Internal Customer Satisfaction at Department of Nursing, Siriraj Hospital”, Siriraj Medical Journal, 58(10), pp. 1042–1045. Available at: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/245936 (Accessed: 2 May 2024).