Año 9 / N° 25 Julio 2013

Portada

 

Artículos

Sustainability university program for sustainable development company (PUEDES) in the city of Estelí, Nicaraguar 

Beverly Castillo Herrera y Máximo Rodríguez Pérez

Nicaragua

 

Demographic, cultural and psychographic consumer characteristics of Central America

Natalia Sergueyevna Golovina

Nicaragua

 

Amendments to law no. 712 fiscal fairness act, economic efficiency in collection. in Nicaragua

Jenny del Socorro Villanueva y Teresita de Jesús Rivas

Nicaragua

 

Elements of maintenance management in public institutions of higher education Cabimas municipality

Ricardo Castillo, Ana Teresa Prieto y Egilde Zambrano

Venezuela

 

Efficiency and productivity in Venezuelan industry direct reduction iron in Guayana region

Jairo J. Pico F., Hugo R. Martínez C.

Venezuela

 

Systemic analysis of the virtual tutoring since boom of e-learning

Héctor Mazurkiewicz

Venezuela

 

Propilven laboratory evaluation according to iso 17025:2005

Peggy Fereira R.

Venezuela