Yilmar Campbell, Universidad Carabobo

$9.60

Piergiorgio Corbetta, Mcgraw-hill

$45.60

F. Kerlinger - H. Lee, Mcgraw Hill

$51.95

Aura Bavaresco de Prieto, Luz

$8.40

Margarita A. de Sanchez, Trillas

$39.47

Carlos Lomas, Magisterio

$9.47

Lasty Balseiro Almario, Trillas

$33.40

Mirian Balestrini Acuña, Servicio Editorial

$14.87

W. Hurley - C. Denegar, Lippincott

$88.28

Carlos Sabino, Panapo

$6.55

Fidias G. Arias, Episteme

$9.65

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

Jacqueline Hurtado, Quiron

$15.13

M. Martinez Lurdez, Magrawhill

$30.00

Alexis G. Perez, Fedupel

$12.52