Piergiorgio Corbetta, Mcgraw-hill

$45.60

J. Hessen, Juceda

$9.60

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

Carlos Lomas, Magisterio

$9.47

Aura Bavaresco de Prieto, Luz

$13.83

Jacqueline Hurtado, Quiron

$15.13

Marcos Fidel Barrera, Quiron

$11.48

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Yilmar Campbell, Universidad Carabobo

$9.60

Fidias G. Arias, Episteme

$9.65

Alexis G. Perez, Fedupel

$12.52

M. Martinez Lurdez, Magrawhill

$30.00

L. Carrera - M. Vasquez, Panapo

$7.48

Dorothy Adkins Wood, Trillas

$27.32

Margarita A. de Sanchez, Trillas

$39.47