Nwoko, Osalumese Onuoma, et al. “Discovery Learning Model and the Remediation of Developmental Dyscalculia in Number and Numeration ”. Faculty of Natural and Applied Sciences Journal of Scientific Innovations , vol. 4, no. 1, Mar. 2023, pp. 8-15, https://fnasjournals.com/index.php/FNAS-JSI/article/view/112.