Zhang Zhao, .Development and Evaluation of Teaching Debate Model Based on a Digital Whiteboard for the Business Negotiation Course in Siam University. Bansomdejchaopraya Rajabhat University. Office of Academic Resources and Information Technology, คลังข้อมูลดิจิทัล สำนักวิทยบริการและเทคโนโลยีสารสนเทศ, accessed September 15, 2026, http://202.29.54.157/s/library/item/3826