Kaewwichit, H. (2016). A Study of Antecedents and Consequences of Academic Motivation of Rajabhat University Students in Upper Northeastern Provinces: A Testing of Self-Determination Theory. The Periodical of Behavioral Science, 22(2), 49–64. Retrieved from https://so06.tci-thaijo.org/index.php/BSRI/article/view/39916