1.
Saengsawang D, Masantiah C, Tippayakulpairoj D. The Effects of Feedback on The Ability to Mathematic Problem Solving on Linear Inequality of One Variable for Ninth Grade Students: Application of Frey and Fisher Model. IARJ [internet]. 2024 Apr. 3 [cited 2026 Aug. 28];4(2):183-202. available from: https://so03.tci-thaijo.org/index.php/IARJ/article/view/274639