Ernesto J. Poza, Cengage Learning

$48.79

Johnson Leenders Flynn, Mcgarw Hill

$48.26

Rafael E. Davila Cardenas, Ucv

$14.73

Cesar R. Gallo P., Ebvc

$7.80

S. Hernandez y Rodriguez, Mcgraw Hill

$32.40

Jesus Alirio Silva, Cobo

$6.00

Cesar R. Gallo P., Ebvc

$7.80

A. Moraleda Garcia, Fc Editorial

$39.60

Sevulo Anzola, Mcgraw Hill

$68.40

J. Lopera, Intermedio

$8.35

Guisande G. Castor

$44.40

C. Barber - C. Clua, Mcgraw Hill

$29.95

Samuel A. Mantilla, Ecoe Ediciones

$27.18

$7.20

D. Wicox - G. Cameron, Pearson

$70.43