Montero Rojas, E., J. Villalobos Palma, and A. Valverde Bermúdez. “Institutional, Pedagogical, Psychosocial and Socio-Demographic Factors Related to Academic Performance at the University of Costa Rica: A Multilevel Analysis”. RELIEVE – Electronic Journal of Educational Research and Evaluation, vol. 13, no. 2, Oct. 2014, doi:10.7203/relieve.13.2.4208.