Volume 5, No. 1.
July-December 2014

Table of contents

1. EDITORIAL

   Flavio Humberto Fernandez Morales

   6-7

   • Abstract 502
     
   • PDF (Español) 435
     

   PDF (Español)

1. 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

   8-19

   • Abstract 1492
     
   • PDF (Español) 681
     

   PDF (Español)

2. 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

   20-31

   • Abstract 4296
     
   • PDF (Español) 1545
     

   PDF (Español)

3. 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

   32-45

   • Abstract 1040
     
   • PDF (Español) 604
     

   PDF (Español)

4. 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

   46-55

   • Abstract 9526
     
   • PDF (Español) 3855
     

   PDF (Español)

5. 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

   56-65

   • Abstract 1049
     
   • PDF (Español) 515
     

   PDF (Español)

6. 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

   66-74

   • Abstract 14661
     
   • PDF (Español) 5824
     

   PDF (Español)