Evaluation of the degree of competitiveness of five companies of the dary sector in Sincelejo, Colombia Fernando Darío Hernández Taboada, Luis Fernando Bustamante Zapata, Isabel Amalia Porto Pérez PDF (Español)
Influence of the ICTs in the appropriation of concepts about analogue electronics by the seventh grade students of basic education Arnulfo Parada Hernández, Zagalo Enrique Suarez Aguilar PDF (Español)
Changes on the initial conceptions and induction on the nature of mathematics and its didactics of an undergraduate students program in mathematics and statistics Ruth Paola Piratoba Gil, Clara Emilse Rojas Morales PDF (Español)
Didactics and its relationship with the design of learning environments: a view from the teaching of the evolution of technology María Aidé Angarita Velandia, Flavio Humberto Fernández Morales, Julio Enrique Duarte PDF (Español)
Implementation of a system of treatment with plasma for gases using a dielectric barrier discharge cell Eduin Yesid Mora Mendoza, Armando Sarmiento Santos, Francy Mayoli Casallas Caicedo PDF (Español)
Design and construction of a tesla coil 1680 W, as a tool for teaching basic concepts in electric power systems Juan Carlos Castro Galeano, Maria Luisa Pinto Salamanca, Maira Fernanda Amaya Quitián PDF (Español)