S. Agabegi - E. Agabegi, Lippincott

$60.00

A. Herrera - M. Granados, Mcgraw Hill

$61.89

Mario A. Hernandez O., Mcgraw Hill

$39.60

Julio Sepulvedad S., Mcgraw Hill

$40.80

Julio Sepulveda Saavedra, Mcgraw Hill

$108.00

T. Browne - G. Holmes, Lippincott

$60.00

O. Quiros - J. Quiros, Amolca

$50.40

J. Cloherty - E. Eichenwa, Lippincott

$84.16

Gerard M. Doherty, Mcgraw Hill

$117.60

D. Nicoll - C. Mark, Mcgraw Hill

$61.90

B. Shakuntala Baliga, Mcgraw Hill

$108.00

D. Cline - O. Ma -, Mcgraw Hill

$134.40

Trujillo - Becerra- Rivas, Mcgraw Hill

$111.49

Miriam Guana, Mcgraw Hill

$61.89

Joseph E. Muscolino, Lippincott

$69.60