Yilmar Campbell, Universidad Carabobo

$9.60

J. Hessen, Juceda

$9.60

Rafael Benitez Dominguez, Cadiz

$14.73

Fidias G. Arias, Episteme

$9.64

Odalis Cañizalez, Cv. Editores

$15.00

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Dorothy Adkins Wood, Trillas

$27.32

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

M. Martinez Lurdez, Magrawhill

$30.00

Alexis G. Perez, Fedupel

$12.51

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

L. Carrera - M. Vasquez, Panapo

$7.47

Aura Bavaresco de Prieto, Luz

$13.82

Carlos Sabino, Panapo

$6.55

Piergiorgio Corbetta, Mcgraw-hill

$45.60