Mingolo N. Development of Problem-Based Learning Activities Integrated with Real-Life Mathematics Education Concepts on Ordinary Differential Equations to Enhance Problem-Solving Skills for Students at Roi Et Rajabhat University. Ratchaphruek [internet]. 2025 Apr. 24 [cited 2026 Aug. 26];23(1):82-98. available from: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/275206