Bezares, Mcgraw Hill

$30.00

O. Quiros - J. Quiros, Amolca

$42.00

Salvador Zubiran, Mcgraw Hill

$56.00

Francisco A. Orduña P., Diaz de Santos

$30.00

Patrick W. Tank, Lippincott

$35.00

Mario A. Hernandez O., Mcgraw Hill

$33.00

S. Joo - A. Kau, Lippincott

$57.60

R. Walls - M. Murphy, Lippincott

$42.15

B. Shakuntala Baliga, Mcgraw Hill

$90.00

Miriam Guana, Mcgraw Hill

$51.58

Trujillo - Becerra- Rivas, Mcgraw Hill

$92.90

Julio Sepulvedad S., Mcgraw Hill

$34.00

Linda E. Muños Espinosa, Mcgraw Hill

$120.00

D. Nicoll - C. Mark, Mcgraw Hill

$51.58

Esp. y Mgs. Aura M. Parra, Luz

$6.92