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Pascua-Cantarero, P.M.tran. 2016. Factors Related to Dropping Out in the Freshman and Sophomore Years in the Career of Teaching Mathematics at Universidad Nacional de Costa Rica.
Revista Electrónica Educare. 20, 1 (Jan. 2016), 1–23
. DOI:https://doi.org/10.15359/ree.20-1.5.