Carlos Lomas, Magisterio

$9.47

S. Dominguez - E. Sanchez, Mcgraw Hill

$24.00

Julian Rodriguez, San Pablo

$13.82

L. Carrera - M. Vasquez, Panapo

$7.47

Margarita A. de Sanchez, Trillas

$39.46

Fidias G. Arias, Episteme

$9.64

Dorothy Adkins Wood, Trillas

$27.32

Magaly Torres de Cardenas, Ucv

$10.52

Rafael Benitez Dominguez, Cadiz

$14.73

Arnoldo Claret Veliz, Texto

$15.39

Carlos Sabino, Panapo

$6.55

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Alexis G. Perez, Fedupel

$12.51

Marcos Fidel Barrera, Sypal

$13.56

Piergiorgio Corbetta, Mcgraw-hill

$45.60