ชินคำ พิชญาภา, and ภักดีวุฒิ จุรีวัลย์. 2018. “Motivational Strategies Affecting Decision Making Behavior of Life Assurance Agents in Roi Et”. Journal of Roi Et Rajabhat University 12 (1):11-22. https://so03.tci-thaijo.org/index.php/reru/article/view/164776.