R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

Odalis Cañizalez, Cv. Editores

$15.00

Magaly Torres de Cardenas, Ucv

$10.52

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Rafael Benitez Dominguez, Cadiz

$14.73

Fidias G. Arias, Episteme

$9.64

Alexis G. Perez, Fedupel

$12.51

Jacqueline Hurtado, Quiron

$15.13

Dorothy Adkins Wood, Trillas

$27.32

Julian Rodriguez, San Pablo

$13.82

Arnoldo Claret Veliz, Texto

$15.39

J. Hessen, Juceda

$9.60

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

L. Carrera - M. Vasquez, Panapo

$7.47

Margarita A. de Sanchez, Trillas

$39.46