W. Hurley - C. Denegar, Lippincott

$88.28

M. Martinez Lurdez, Magrawhill

$30.00

Julian Rodriguez, San Pablo

$13.82

Piergiorgio Corbetta, Mcgraw-hill

$45.60

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

F. Kerlinger - H. Lee, Mcgraw Hill

$51.94

Aura Bavaresco de Prieto, Luz

$13.82

Rafael Benitez Dominguez, Cadiz

$14.73

J. Hessen, Juceda

$9.60

Yilmar Campbell, Universidad Carabobo

$9.60

Margarita A. de Sanchez, Trillas

$39.46

Magaly Torres de Cardenas, Ucv

$10.52

Aura Bavaresco de Prieto, Luz

$8.40

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Odalis Cañizalez, Cv. Editores

$15.00