Juanak, Kaewta, Withun Phuengrattana, Warin Sripanya, and Wanpen Chantarangsi. “Enhancing Pre-Service Mathematics Teachers’ Geometric Proof Abilities at Nakhon Pathom Rajabhat University through Inquiry-Based Learning (5E) with GeoGebra”. Ratchaphruek Journal 24, no. 2 (July 22, 2026): 293–309. accessed September 2, 2026. https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/285311.