Gert Kummerow, Mcgraw Hill

$12.00

Freddy Zambrano, Atenea

$7.03

A. Rengel - Romberg, Organizacion Capriles

$36.52

Enrique Urdaneta F., Academia de Ciencias

$8.40

Santiago Hernandez, Livrosca

$20.15

Luis Alfredo Araque, Juridica Venezolana

$5.56

Dr. Alberto Jose la Roche, Cibel Gutierrez

$8.40

Miguel Jacir H., Livrosca

$11.11

Carlos Moros Puentes, Juridicas Rincon

$7.20

I. de Valera - J. Salaver, Liber

$12.00

Hector R. Peñaranda Q., Cpluz

$12.00

Gonzalez Escorche, Vadell

$9.26

Jose Aguilar Gorrondona, Ucab

$18.78

Jose L. Villegas M., Funeda

$4.80

Arquimedes E. Gonzalez F.

$19.20