D. Cline - O. Ma -, Mcgraw Hill

$134.40

Bezares, Mcgraw Hill

$36.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

P. Paulman - A. Paulman, Wolters Klumer

$82.09

Rebecca L. Shoener, Mcgraw Hill

$42.00

Burke A. Cunha, Mcgraw Hill

$30.00

S. Mcphee - M. Papadakis, Mcgraw Hill

$93.60

Mario A. Hernandez O., Mcgraw Hill

$39.60

Cassimeris

$102.00

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

Francisco A. Orduña P., Diaz de Santos

$36.00

D. Fitzgibbon - J. Loeser, Lippincott

$150.00

Miriam Guana, Mcgraw Hill

$61.89

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Joseph E. Muscolino, Lippincott

$69.60