| Table of contents Rev. Fac. ing. vol.31 no.60 Tunja Apr./June 2022 Articles | | | | · Grid-tied Multilevel Inverter with Phase-locked Loop Algorithm Martinez-Montejano, Roberto; Álvarez-Maldonado, Osbaldo-Ulisses; Jaime-Rodríguez, José-Jimmy; González-Badillo, Germánico; Campos-Cantón, Isaac; Martínez-Montejano, Misael-Francisco
| | | | · Solid-State and Super Solidus Liquid Phase Sintering of 4340 Steel SLM Powders Shaped by Fused Filament Fabrication Gil-Plazas, Andres-Fernando; Rubiano-Buitrago, Julián-David; Boyacá-Mendivelso, Luis-Alejandro; Herrera-Quintero, Liz-Karen
| | | | · Semi-Automatic Mapping Technique Using Snowballing to Support Massive Literature Searches in Software Engineering Suescún-Monsalve, Elizabeth; Sampaio-do-Prado-Leite, Julio-Cesar; Pardo-Calvache, César-Jesús
| | | | · Need for Communitarian Ethics in Mathematics Teaching-Learning in Engineering Careers García-Ubaque, César-Augusto; Vergel, Rodolfo
| | | | · Impact of Planting Density on the Effectiveness of Laboratory-Scale Artificial Wetlands Planted with Limonium Perezzi for Tannery Wastewater Treatment Saenz-Reyes, Lina-Marcela; Agudelo-Valencia, Rafael-Nikolay; Ortiz-de-la-Hoz, Stivenzo-Rafael; Garcés-Polo, Siby-Inés
| | | | · Characterization of Energy Portability Tools to Implement in Colombia Mendoza-Becerra, Martha-Eliana; Ordóñez-Erazo, Hugo-Armando; Niño-Zambrano, Miguel-Ángel; Cobos-Lozada, Carlos-Alberto; García-Sierra, Rodolfo
| | | | · Internet Memes as Reading Controls in a Geometric Road Design Course García-Ramírez, Yasmany
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