$6.00

Lasty Balseiro Almario, Trillas

$22.00

Mario Tamayo y Tamayo, Limusa

$23.00

F. Barriga - G. Hernandez, Mcgraw Hill

$28.00

Aura Marina Bavaresco, la Universidad Del Zulia

$7.50

Arnoldo Claret Veliz, Texto

$12.83

Aura Bavaresco de Prieto, Luz

$7.00

Piergiorgio Corbetta, Mcgraw-hill

$38.00

Alexis G. Perez, Fedupel

$10.43

Jacqueline Hurtado, Quiron

$12.61

Margarita A. de Sanchez, Trillas

$25.00

Aura Bavaresco de Prieto, Luz

$11.52

F. Kerlinger - H. Lee, Mcgraw Hill

$43.29

S. Dominguez - E. Sanchez, Mcgraw Hill

$20.00

M. Martinez Lurdez, Magrawhill

$25.00