Gómez Segura, C. F.; Cerquera Losada, Óscar H.; Orjuela Yacue, C. F. Evolution of the Salarial Gap by Gender in Colombia 2004-2012. An Analysis of the Glass Ceiling Phenomenon. Semest. Econ. 2018, 21 (48), 27-49. https://doi.org/10.22395/seec.v21n48a1.