Lisandro Alvarado Central Western University

Central University of Venezuela

#1235

Simon Bolivar University Venezuela

#2186

university of Carabobo

#2974

University of the Andes Merida

#3165

Andres Bello Catholic University

#3368

National Experimental University of Tachira

#3984

Dr Rafael Belloso Chacin University

#4201

Caracas Metropolitan University

#4396

University of Zulia

#5023

University of Oriente Venezuela

#5667