Julian Rodriguez, San Pablo

$11.52

Alexis G. Perez, Fedupel

$10.43

M. Martinez Lurdez, Magrawhill

$25.00

Aura Bavaresco de Prieto, Luz

$11.52

Arnoldo Claret Veliz, Texto

$12.83

Fidias G. Arias, Episteme

$8.04

F. Kerlinger - H. Lee, Mcgraw Hill

$43.29

Carlos Lomas, Magisterio

$7.89

Margarita A. de Sanchez, Trillas

$32.89

Aura Marina Bavaresco, la Universidad Del Zulia

$7.50

Rafael Benitez Dominguez, Cadiz

$12.28

Mario Tamayo y Tamayo, Limusa

$23.00

S. Dominguez - E. Sanchez, Mcgraw Hill

$20.00

Piergiorgio Corbetta, Mcgraw-hill

$38.00

Margarita A. de Sanchez, Trillas

$32.89