Fabros BG, Ibañez ED. Effectiveness of Utilizing Graphic Organizers in Improving Conceptual Understanding towards Operations of Fractions among Teachers. International Journal of Instruction [Internet]. 2023 Jan. 1 [cited 2025 Apr. 3];16(1):507-26. Available from: https://e-iji.net/ats/index.php/pub/article/view/207