Jesus Alirio Silva, Cobo

$6.00

Claudia Londoño Mateus, Fc Editorial

$36.00

Roger G. Schroeder, Mcgraw Hill

$56.40

Carlos Asuaje Sequera, Buchivacoa

$10.18

Bateman - Snell, Mcgraw Hill

$43.20

J. Lopera, Intermedio

$8.35

Araceli Alvarado Falcon, Mcgraw Hill

$75.60

Samuel A. Mantilla, Ecoe Ediciones

$27.18

M. Yarnell - Rene R. Yarn, Tm Prima

$7.29

Rafael E. Davila Cardenas, Ucv

$14.73

A. Moraleda Garcia, Fc Editorial

$39.60

Cesar R. Gallo P., Ebvc

$7.80

H. Koontz - H. Weihrich, Mcgraw Hill

$86.40

Cesar R. Gallo P., Ebvc

$7.80

Guisande G. Castor

$44.40