Samuel Baah-Duodu, Francis Cornelius Ennin, Seth Borbye, and Solomon Amoaddai. “Pre-Service Primary School Teachers’ Mathematical Knowledge for Teaching Fractions through Problem Solving”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 5, no. 3 (March 20, 2019): 08–17. Accessed May 5, 2024. https://ijasre.net/index.php/ijasre/article/view/112.