Mario Tamayo y Tamayo, Limusa

$27.60

Julian Rodriguez, San Pablo

$13.82

L. Carrera - M. Vasquez, Panapo

$7.47

J. Hessen, Juceda

$9.60

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

Melissa Rosales, Diana

$12.00

Alexis G. Perez, Fedupel

$12.51

Marcos Fidel Barrera, Sypal

$13.56

Yilmar Campbell, Universidad Carabobo

$9.60

Carlos Sabino, Panapo

$6.55

Piergiorgio Corbetta, Mcgraw-hill

$45.60

Fidias G. Arias, Episteme

$9.64

M. Martinez Lurdez, Magrawhill

$30.00

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

Dorothy Adkins Wood, Trillas

$27.32