G. Rodriguez - J. Vaquero, Diaz de Santos

$63.60

Thomas M. de Fer, Lippincott

$93.60

Maria A. Obando, Ula

$12.00

Rodolfo Rodriguez C., Mcgraw Hill

$49.20

Alexandro Bonifaz, Mcgraw Hill

$60.00

Burke A. Cunha, Mcgraw Hill

$30.00

Francisco A. Orduña P., Diaz de Santos

$36.00

P. Paulman - A. Paulman, Wolters Klumer

$82.09

Carlos A. Roldan, Lippincott

$135.60

O. Quiros - J. Quiros, Amolca

$50.40

Jose F. Gonzalez, Mcgraw Hill

$45.60

S. Joo - A. Kau, Lippincott

$69.12

W. Smith - T. Farrell, Wolters Kluwer

$90.00

Lynn S. Bickley, Lippincott

$125.12

S. Agabegi - E. Agabegi, Lippincott

$60.00