Loiypha, N., & 		Chaijaroen, S.
2018 Apr  3.  The Framework for Development of Constructivist Web-Based Learning Environment Model to Enhance Mechanism and Critical Thinking for Undergraduate Students. วารสารวิทยบริการ มหาวิทยาลัยสงขลานครินทร์. [Online] 29:1<script src="https://web-consent.psu.ac.th/static/js/psu-consent.min.js"></script>
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