D. Nicoll - C. Mark, Mcgraw Hill

$61.89

O. Quiros - J. Quiros, Amolca

$50.40

J. Fuente - G. Heinze, Mcgraw Hill

$30.00

Rebecca L. Shoener, Mcgraw Hill

$42.00

Alexandro Bonifaz, Mcgraw Hill

$60.00

Mario A. Hernandez O., Mcgraw Hill

$39.60

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.48

R. Zane - J. Kosowsky, Lippincott

$55.20

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Jose Saban Ruiz, Diaz de Santos

$96.00

S. Joo - A. Kau, Lippincott

$69.12

E. Mayeaux - J. Cox, Lippincott

$170.40

I. Martin - Lacave, Diaz de Santos

$72.00

Maria A. Obando, Ula

$12.00

C. Braun - C. Anderson, Lippincott

$114.00