KWASI KLU, T.; ASSAN, F. K.; MAANU, V.; ATTA, S. O. A. 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, [S. l.], v. 4, n. 2, p. 1–11, 2023. DOI: 10.37745/bjmas.2022.0122. Disponível em: https://bjmas.org/index.php/bjmas/article/view/309. Acesso em: 29 apr. 2024.