[1]
Álvaro . Gomez Osorio, J. M. . López Pereira, and A. Rodríguez Negrete, “IMPACT OF COVID-19 ON OPTIMAL RISK, PROFITABILITY AND PORTFOLIOS AMONG COLCAP INDEX STOCKS”, Semest. Econ., vol. 26, no. 61, pp. 1–24, Dec. 2023, doi: 10.22395/seec.v26n61a4312.