Delgado, M. A. C., R. I. Z. Delgado, R. P. Palma, and M. E. Moya. “Dyscalculia and Pedagogical Intervention”. International Research Journal of Management, IT and Social Sciences, vol. 6, no. 5, Aug. 2019, pp. 95-100, doi:10.21744/irjmis.v6n5.710.