Juanak K, Phuengrattana W, Sripanya W, Chantarangsi W. Enhancing Pre-Service Mathematics Teachers’ Geometric Proof Abilities at Nakhon Pathom Rajabhat University through Inquiry-Based Learning (5E) with GeoGebra. Ratchaphruek [internet]. 2026 Jul. 22 [cited 2026 Sep. 2];24(2):293-309. available from: https://so05.tci-thaijo.org/index.php/Ratchaphruekjournal/article/view/285311