Loor, J. M. Q., J. L. A. Mera, J. K. T. Palma, M. R. C. Escobar, and E. E. P. Aguilar. “Application of Formative Assessment Instruments to Improve Teaching-Learning Process”. International Journal of Engineering and Computer Science, vol. 3, no. 1, June 2020, pp. 7-16, doi:10.31295/ijecs.v3n1.144.