Fernando Guzman Toro, Vadell Hermanos

$14.40

B. Shakuntala Baliga, Mcgraw Hill

$108.00

Schwartz y Otros, Mcgraw Hill

$62.40

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

Maria A. Obando, Ula

$12.00

J. Garcia - J. Lopez, Mcgraw Hill

$56.40

G. Frendl - R. Urman, Lippincott

$54.39

C. Stone - R. Humphries, Mcgraw Hill

$108.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Miriam Guana, Mcgraw Hill

$61.89

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

M. Nordin - V. Frankel, Lippincott

$96.00

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Bezares, Mcgraw Hill

$36.00

J. Kassirer - J. Wong, Lippincott

$88.80