| Table of contents Ing. Investig. vol.40 no.1 Bogotá Jan./Apr. 2020 Editorial | | | | · A Review of the Citation Indicators of the Ingeniería e Investigación Journal PAVAS, ANDRÉS; ARZOLA DE LA PEÑA, NELSON
| | | Original articles | | | | · Aluminum Waste in Road Pavement Subgrade Cabalar, Ali Firat; Hayder, Govar; Abdulnafaa, Mohammed D.; Isik, Haluk
| | | | · Rapid Drawdown in Homogeneous Earth Dam Considering Transient Flow and Suction Romer Llanque Ayala, Grover; Chagas da Silva Filho, Francisco; Ferreira Leme, Rosiel; do Carmo Reis Cavalcanti, Maria; Mahler, Claudio Fernando
| | | | · Evaluation of a New Multimodal Optimization Algorithm in Fluid Phase Equilibrium Problems Platt, G. M.; Escobar, M.; Borges, F. C.; Goulart, D. A.
| | | | · Production and Characterization of Activated Carbon From Coal for Gold Adsorption in Cyanide Solutions Martínez-Mendoza, Karen L.; Barraza-Burgos, Juan M.; Marriaga-Cabrales, Nilson; Machuca-Martinez, Fiderman; Barajas, Mariber; Romero, Manuel
| | | | · SAP Algorithm for Citation Analysis: An improvement to Tree of Science Valencia-Hernández, Daniel-Stiven; Robledo, Sebastián; Pinilla, Ricardo; Duque-Méndez, Néstor Darío; Olivar-Tost, Gerard
| | | | · Surveying the Perception of the Environmental Advantages of an Adaptable Product Royo, Marta; Mulet, Elena; Chulvi, Vicente; Galán, Julia
| | | | · Heat Recovery Opportunities in a Poultry Slaughterhouse for Generation of Hot Water: A Case Study on Energy Production Souza Teixeira, Gessen; Altafini, Carlos Roberto; Kalnin, Joanir Luis
| | | | · Teaching Evaluation Questionnaire Validation at Escuela Politécnica Nacional, Applying the Method of Factor Analysis with Extraction of Principal Components Sánchez-Almeida, Tarquino; Sandoval-Palis, Iván; Gilar-Corbi, Raquel; Castejón-Costa, Juan; Salazar-Orellana, Diego
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