Trongtokit, Chayanuch, Orn-anong Wichaikhum, and Kulwadee Abhicharttibutra. “Situation Analysis of Nursing Supervision Among Unoff Icial-Time Nurse Supervisors, Operating Room, Buddhachinaraj Phitsanulok Hospital”. Nursing Journal CMU 47, no. 4 (December 8, 2020): 252–265. Accessed May 4, 2024. https://he02.tci-thaijo.org/index.php/cmunursing/article/view/247953.