J. A. Vargas Charpentier, “Modelos de Beaver, Ohlson y Altman: ¿Son realmente capaces de predecir la bancarrota en el sector empresarial costarricense? (Models of Beaver, Ohlson and Altman: are really able to predict the bankruptcy in the Costa Rican business sector?)”, TE, vol. 8, no. 3, pp. Pág. 29–40, Dec. 2014.