Carlos Sabino, Panapo

$6.55

Dorothy Adkins Wood, Trillas

$27.32

Margarita A. de Sanchez, Trillas

$39.46

Mario Tamayo y Tamayo, Limusa

$27.60

Magaly Torres de Cardenas, Ucv

$10.52

Lasty Balseiro Almario, Trillas

$33.39

W. Hurley - C. Denegar, Lippincott

$88.28

J. Hessen, Juceda

$9.60

Mirian Balestrini Acuña, Servicio Editorial

$14.86

R. Hernandez - N. Mendoza, Mcgraw Hill

$30.00

Aura Marina Bavaresco, la Universidad Del Zulia

$9.00

M. Martinez Lurdez, Magrawhill

$30.00

F. Barriga - G. Hernandez, Mcgraw Hill

$33.60

Marcos Fidel Barrera, Sypal

$13.56

Julian Rodriguez, San Pablo

$13.82