Kwasi Klu, Theophilus, Francis Kwaku Assan, Vivian Maanu, and Solomon Ohene Amoako Atta. “An Investigation of the Use of Physical Manipulatives to Enhance the Conceptual Understanding of Operations on Fraction Among Pre-Service Teachers”. British Journal of Multidisciplinary and Advanced Studies 4, no. 2 (March 11, 2023): 1–11. Accessed November 23, 2024. https://bjmas.org/index.php/bjmas/article/view/309.