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

$46.80

R. Zane - J. Kosowsky, Lippincott

$55.20

Maria A. Obando, Ula

$12.00

T.w. Sadler, Lippincott

$38.40

Esp. y Mgs. Aura M. Parra, Luz

$8.30

Cassimeris

$102.00

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

Jose F. Gonzalez, Mcgraw Hill

$45.60

Leonard Crowley, Mcgraw Hill

$68.40

$8.40

G. Frendl - R. Urman, Lippincott

$54.39

Joseph E. Muscolino, Lippincott

$69.60

Salvador Zubiran, Mcgraw Hill

$67.20

Miriam Guana, Mcgraw Hill

$61.89

M. Nordin - V. Frankel, Lippincott

$96.00