Esp. y Mgs. Aura M. Parra, Luz

$8.30

$8.40

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

J. Romero - G. Tena, Mcgraw Hill

$48.00

Leonard Crowley, Mcgraw Hill

$68.40

G. Frendl - R. Urman, Lippincott

$54.39

C. Dieguez - R. Yturriaga, Mcgraw Hill

$48.00

Lynn S. Bickley, Lippincott

$125.12

Gerard M. Doherty, Mcgraw Hill

$117.60

Mario A. Hernandez O., Mcgraw Hill

$39.60

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Insp, Mcgraw Hill

$31.20

R. Skeel - S. Khlief, Lippincott

$60.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09