Olivar-Molina, S., Flores-López, W. and Alvarado-González, F. 2018. Algebraic errors factorial decomposition tasks by university students of Nicaragua. Electronic Journal of Knowledge, Knowledge and Practices. 1, 1 (Jun. 2018), 9-27. DOI:https://doi.org/https://doi.org/10.30698/recsp.v1i1.1.