J. Lopera, Intermedio

$8.35

D. Wicox - G. Cameron, Pearson

$70.43

Javier Benavides Pañeda, Mcgraw Hill

$42.00

L. Puchol - I. Puchol, Diaz de Santos

$24.00

Samuel A. Mantilla, Ecoe Ediciones

$27.18

Guisande G. Castor

$44.40

Johnson Leenders Flynn, Mcgarw Hill

$48.26

Roger G. Schroeder, Mcgraw Hill

$56.40

Sevulo Anzola, Mcgraw Hill

$68.40

Cesar R. Gallo P., Ebvc

$7.80

H. Koontz - H. Weihrich, Mcgraw Hill

$85.20

Carlos Asuaje Sequera, Buchivacoa

$10.18

Bradt, Mcgraw Hill

$18.00

Hector Nestor Martinez, Ediciones Macchi

$13.56

Humberto Gutierrez Pulido, Mcgraw Hill

$42.00