Samuel Baah-Duodu, Francis Cornelius Ennin, Seth Borbye, and Solomon Amoaddai. 2019. “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 (3):08-17. https://doi.org/10.31695/IJASRE.2019.33085.