M. Yarnell - Rene R. Yarn, Tm Prima

$7.29

Cesar R. Gallo P., Ebvc

$7.80

S. Hernandez y Rodriguez, Mcgraw Hill

$32.40

Bid, Alfaomega

$28.69

Hector Nestor Martinez, Ediciones Macchi

$13.56

L. Puchol - I. Puchol, Diaz de Santos

$24.00

Jesus Alirio Silva, Cobo

$6.00

Goñi Z. - Juan J., Diaz de Santo

$30.00

Johnson Leenders Flynn, Mcgarw Hill

$48.26

Salomon - Schell, Mcgraw Hill

$30.00

Carlos Asuaje Sequera, Buchivacoa

$10.18

J. Lopera, Intermedio

$8.35

C. Barber - C. Clua, Mcgraw Hill

$29.95

Bateman - Snell, Mcgraw Hill

$43.20

Roger G. Schroeder, Mcgraw Hill

$56.40