Alexis G. Perez, Fedupel

$12.51

Rafael Benitez Dominguez, Cadiz

$14.73

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

Marcos Fidel Barrera, Sypal

$13.56

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

L. Carrera - M. Vasquez, Panapo

$7.47

Lasty Balseiro Almario, Trillas

$33.39

Dorothy Adkins Wood, Trillas

$27.32

Odalis Cañizalez, Cv. Editores

$15.00

J. Hessen, Juceda

$9.60

Aura Bavaresco de Prieto, Luz

$13.82

M. Martinez Lurdez, Magrawhill

$30.00

Margarita A. de Sanchez, Trillas

$39.46

Carlos Sabino, Panapo

$6.55