[1]
P. M. Pascua-Cantarero , Tran., “Factors Related to Dropping Out in the Freshman and Sophomore Years in the Career of Teaching Mathematics at Universidad Nacional de Costa Rica”, Rev. Electr. Educare, vol. 20, no. 1, pp. 1–23, Jan. 2016, doi: 10.15359/ree.20-1.5.