Patrick W. Tank, Lippincott

$35.00

C. Braun - C. Anderson, Lippincott

$95.00

Miriam Guana, Mcgraw Hill

$51.58

Lynn S. Bickley, Lippincott

$104.27

O. Quiros - J. Quiros, Amolca

$42.00

Julio Sepulvedad S., Mcgraw Hill

$34.00

Rodolfo Rodriguez C., Mcgraw Hill

$41.00

Leonard Crowley, Mcgraw Hill

$57.00

$10.00

T.w. Sadler, Lippincott

$32.00

C. Stone - R. Humphries, Mcgraw Hill

$90.00

A. Herrera - M. Granados, Mcgraw Hill

$51.58

Cassimeris

$85.00

Esp. y Mgs. Aura M. Parra, Luz

$6.92

Linda E. Muños Espinosa, Mcgraw Hill

$120.00