Carlos A. Roldan, Lippincott

$135.60

I. Martin - Lacave, Diaz de Santos

$72.00

R. Hyatt - P. Scanlon, Lippincott

$28.20

Maria A. Obando, Ula

$12.00

Linda E. Muños Espinosa, Mcgraw Hill

$144.00

Roberto Arenas, Mcgraw Hill

$62.40

E. Mayeaux - J. Cox, Lippincott

$170.40

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Lynn S. Bickley, Lippincott

$125.12

A. Herrera - M. Granados, Mcgraw Hill

$61.89

Bezares, Mcgraw Hill

$36.00

Miriam Guana, Mcgraw Hill

$61.89

Vicente Ortiz, Mcgraw Hill

$61.89

Joseph E. Muscolino, Lippincott

$69.60

Patrick W. Tank, Lippincott

$42.00