| Table of contents Rev. Fac. ing. vol.28 no.52 Tunja July/Sept. 2019 Papers | | | | · The State of Energy Research in Colombia: A View from the Research Groups Jiménez-García, Francy Nelly; Restrepo-Franco, Alejandra María; Mulcue-Nieto, Luis Fernando
| | | | · Model of Education in Renewable Energies from the Public Engagement and the Energetic Attitude Ballesteros-Ballesteros, Vladimir Alfonso; Gallego-Torres, Adriana Patricia
| | | | · Synthesis of an Anticorrosive Pigment by Thermal Treatment of Iron Oxides from Steel Industry Wastes Colpas-Ruiz, María Angélica; Gnecco-Molina, Camilo; Jiménez-Rodríguez, Gabriel Antonio; Pérez-Mendoza, José Andrés; Higuera-Cobos, Óscar Fabián
| | | | · Evaluation of the Enzymatic Hydrolysis of Wet White Assisted with Ultrasound to Obtain Hydrolyzed Collagen Almonacid-Jiménez, Leidy Yaneth; Vallejo-Rodríguez, Juan Sebastián; Agudelo-Valencia, Rafael Nikolay; Hernández-Fernández, Javier Adolfo; Ortiz-Medina, Óscar Leonardo; Ovalle-González, Diana Paola
| | | | · Relative Average Deviation as Measure of Robustness in the Stochastic Project Scheduling Problem Ortiz-Pimiento, Néstor Raúl; Díaz-Serna, Francisco Javier
| | | | · Improvements of the Design Process in the Microwave Transistors Industry Rafael-Valdivia, Guillermo
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