Tumbaco, D. E. S., Albán, W. E. M., Ruperti, M. J. B., & Palacios, D. E. P. (2019). Methodological strategies used in the learning of mathematics in the 8th year of EGB. International Journal of Social Sciences and Humanities, 3(3), 90-98. https://doi.org/10.29332/ijssh.v3n3.362