CARRASCO, O. R., CIUDAD, F. H., SALAZAR, V. V., VERDUGO, C. F., Oradini, N. B., Santana, A. P., & Pujadas, F. C. (2018). Evaluation of Knowledge and Skills Mathematics New Evidence for 2nd Year of Basic Education. RA Journal of Applied Research, 4(02), 1422–1437. Retrieved from http://rajournals.in/index.php/rajar/article/view/100