R. Hyatt - P. Scanlon, Lippincott

$28.20

Francisco A. Orduña P., Diaz de Santos

$36.00

W. Smith - T. Farrell, Wolters Kluwer

$90.00

Mario A. Hernandez O., Mcgraw Hill

$39.60

Maria A. Obando, Ula

$12.00

R. Baldor - A. Ehrlich, Lippincott

$156.00

Insp, Mcgraw Hill

$31.20

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

$8.40

Esp. y Mgs. Aura M. Parra, Luz

$8.30

R. Walls - M. Murphy, Lippincott

$50.58

Linda E. Muños Espinosa, Mcgraw Hill

$144.00