Thummakul, D. ., & Gawglaun, P. . (2020). CRYSTAL-BASED LEARNING AND SELF-REGULATION: PROCESS AND EXPECTED RESULTS. JOURNAL OF THE POLICE NURSES AND HEALTH SCIENCE, 12(2), 479–487. retrieved from https://he01.tci-thaijo.org/index.php/policenurse/article/view/240932