Samuel A. Mantilla, Ecoe Ediciones

$22.65

C. Rubio Poo, Mcgraw Hill

$40.00

Larousse, Larousse

$4.00

Simon Bolivar

$1.00

J. Grainger - W.stevenson, Mcgraw Hill

$30.00

Gary D. Christian, Mcgraw Hill

$42.00

Gaceta Nº 39.865, Njr

$2.00

A. Suverza - K. Haua, Mcgraw Hill

$41.00

Stephen L. Franzoi, Mcgraw Hill

$47.83

A. Diaz - V. Aguilera, Mcgraw Hill

$39.15

Hector Turuhpial Cariello, Funeda

$6.00

Gaceta No. 39.020, Njr

$1.40

Gloria Wu, Lippincott

$64.10

Atilio Rojas, Libra

$13.89

Jose Felix Martin Corona, Betanzo

$9.26

Cateora - Gilly - Graham, Mcgraw Hill

$25.00

Jesus Mora Contreras, Ula

$7.00

S. Zambrano - S. Leal, Feunet

$38.57

Dr. Miguel Ruiz, Urano

$18.00

Gaceta Nº 39.599, Njr

$2.00

Gaceta No. 39.019, Njr

$2.00

Maria de los Angeles R., Grupo Zeta

$9.33

Stanton - Etzel - Walker, Mcgraw Hill

$38.00

M. Martinez Lurdez, Magrawhill

$25.00

Dr. Wayne W. Dyer, Edicion Lite

$12.00

Cesar Borobia, Elsevier

$29.20

Hector Rodriguez Bauza, Punto

$6.50

Guisande G. Castor

$37.00

Gaceta Nº 39.945, Njr

$1.40

A. Belloch - B. Sandin, Mcgraw Hill

$48.00