Enrique Urdaneta F., Academia de Ciencias

$7.00

Jose Aguilar Gorrondona, Ucab

$15.65

Miguel Jacir H., Livrosca

$9.26

Jose Aguilar Gorrondona, Ucab

$10.00

A. Rengel - Romberg, Organizacion Capriles

$30.43

Mauricio Rodriguez F., Livrosca

$11.58

Emilio Calvo Baca, Ediciones Libra

$20.35

Santiago Hernandez, Mobilibros

$7.00

Carmen Sue Espinoza, Universidad de Carabobo

$13.49

James-otis Rodner S., Academia de Ciencias

$6.00

Santiago Hernandez, Livrosca

$16.79

Omar Rodriguez Aguero, Atenea

$7.17

Freddy Zambrano, Atenea

$5.86

Arquimedes E. Gonzalez F.

$16.00

Dr. Alberto Jose la Roche, Cibel Gutierrez

$7.00