L. Puchol - I. Puchol, Diaz de Santos

$24.00

Cesar R. Gallo P., Ebvc

$7.80

C. Barber - C. Clua, Mcgraw Hill

$29.95

J. Lopera, Intermedio

$8.35

Sevulo Anzola, Mcgraw Hill

$68.40

Bateman - Snell, Mcgraw Hill

$43.20

M. Yarnell - Rene R. Yarn, Tm Prima

$7.29

Cesar R. Gallo P., Ebvc

$7.80

Guisande G. Castor

$44.40

I. Chiavenato - A. Sapiro, Mcgraw Hill

$32.40

D. Wicox - G. Cameron, Pearson

$70.43

Samuel A. Mantilla, Ecoe Ediciones

$27.18

S. Hernandez y Rodriguez, Mcgraw Hill

$32.40

Jesus Alirio Silva, Cobo

$6.00

$7.20