Wangrungkij, P., Wattananonsaku, S., & Sripahol, S. (2018). Development of Indicators of Academic Engagement among Undergraduate Students. University of the Thai Chamber of Commerce Journal Humanities and Social Sciences, 38(1), 71–89. retrieved from https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/153940