อินทะยะ ยุพิน, and ทองหยอด วลัยพร. 2018. “Student-Centered Learning Management and Portfolio-Based Authentic Assessment in the Thai Language for Elementary Teachers 2 Course”. Journal of Graduate Research 9 (1):25-38. https://so02.tci-thaijo.org/index.php/banditvijai/article/view/99510.