Santiago Hernandez, Livrosca

$20.14

Francisco Hung Vaillant, Vadell Hermanos

$8.40

Gert Kummerow, Mcgraw Hill

$12.00

Gonzalez Escorche, Vadell

$9.26

A. Rengel - Romberg, Organizacion Capriles

$36.51

Omar Rodriguez Aguero, Atenea

$8.60

James-otis Rodner S., Academia de Ciencias

$7.20

Hector R. Peñaranda Q., Ediluz

$15.75

Arquimedes E. Gonzalez F.

$19.20

Carlos Moros Puentes, Juridicas Rincon

$7.20

Ivan Dario Torres, Paredes

$15.00

Carmen Sue Espinoza, Universidad de Carabobo

$16.18

Mauricio Rodriguez F., Livrosca

$13.89

Cesar Augusto Montoya, Alvaro Nora

$20.60

Hector R. Peñaranda Q., Cpluz

$12.00