Salvador Zubiran, Mcgraw Hill

$67.20

O. Quiros - J. Quiros, Amolca

$50.40

Carlos A. Roldan, Lippincott

$135.60

Mario A. Hernandez O., Mcgraw Hill

$39.60

A. Herrera - M. Granados, Mcgraw Hill

$61.89

F.j. Blanco - J.d. Cañete, Panamericana

$46.80

M. Nordin - V. Frankel, Lippincott

$96.00

Fernando Guzman Toro, Vadell Hermanos

$14.40

Roberto Arenas, Mcgraw Hill

$62.40

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

R. Skeel - S. Khlief, Lippincott

$60.00

Leonard Crowley, Mcgraw Hill

$68.40

M. Breskin - K. Dumith, Mcgraw Hill

$69.60

P. Paulman - A. Paulman, Wolters Klumer

$82.09

Rodolfo Rodriguez C., Mcgraw Hill

$49.20