Mario A. Hernandez O., Mcgraw Hill

$39.60

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

C. Stone - R. Humphries, Mcgraw Hill

$108.00

O. Quiros - J. Quiros, Amolca

$50.40

J. Cloherty - E. Eichenwa, Lippincott

$84.16

R. Baldor - A. Ehrlich, Lippincott

$156.00

Patrick W. Tank, Lippincott

$42.00

Burke A. Cunha, Mcgraw Hill

$30.00

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

Fernando Guzman Toro, Vadell Hermanos

$14.40

Schwartz y Otros, Mcgraw Hill

$62.40

M. Nordin - V. Frankel, Lippincott

$96.00

Jose Saban Ruiz, Diaz de Santos

$96.00

Carlos A. Roldan, Lippincott

$135.60

Marc S. Sabatine, Lippincott

$45.12