Mario A. Hernandez O., Mcgraw Hill

$39.60

R. Baldor - A. Ehrlich, Lippincott

$156.00

Rebecca L. Shoener, Mcgraw Hill

$42.00

$8.40

Maria A. Obando, Ula

$12.00

Carlos A. Roldan, Lippincott

$135.60

R. Walls - M. Murphy, Lippincott

$50.58

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

C. Stone - R. Humphries, Mcgraw Hill

$108.00

Joseph E. Muscolino, Lippincott

$69.60

Miriam Guana, Mcgraw Hill

$61.89

Julio Sepulvedad S., Mcgraw Hill

$40.80

R. Skeel - S. Khlief, Lippincott

$60.00

Tintinalli, Mcgrawhill

$93.60

Kasper - Braunwald y Otro, Mcgraw Hill

$185.22