Dorothy Adkins Wood, Trillas

$27.32

Carlos Lomas, Magisterio

$9.47

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

J. Hessen, Juceda

$9.60

Carlos Sabino, Panapo

$6.55

Alexis G. Perez, Fedupel

$12.51

Fidias G. Arias, Episteme

$9.64

Yilmar Campbell, Universidad Carabobo

$9.60

Margarita A. de Sanchez, Trillas

$39.46

Aura Bavaresco de Prieto, Luz

$13.82

Jacqueline Hurtado, Quiron

$15.13

Arnoldo Claret Veliz, Texto

$15.39

W. Hurley - C. Denegar, Lippincott

$88.28

Magaly Torres de Cardenas, Ucv

$10.52

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00