Maria A. Obando, Ula

$12.00

J. Romero - G. Tena, Mcgraw Hill

$48.00

Curtis M. Rimmerman, Lippincott

$75.60

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

G. Frendl - R. Urman, Lippincott

$54.40

R. Hyatt - P. Scanlon, Lippincott

$28.20

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

Schwartz y Otros, Mcgraw Hill

$62.40

R. Baldor - A. Ehrlich, Lippincott

$156.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Thomas M. de Fer, Lippincott

$93.60

Mario A. Hernandez O., Mcgraw Hill

$39.60

Joseph E. Muscolino, Lippincott

$69.60

$8.40

Alexandro Bonifaz, Mcgraw Hill

$60.00