Namprasertkul, Umphaithip, and Dolchai La-ornual. 2016. “Influence of Internal Versus External References on Individuals’ Satisfaction With Academic and Professional Performance Evaluations”. Journal of Population and Social Studies [JPSS] 24 (1):1-12. https://so03.tci-thaijo.org/index.php/jpss/article/view/102398.