Emilio Calvo Baca, Ediciones Libra

$20.35

Jose Aguilar Gorrondona, Ucab

$10.00

Mary Sol Grateron Garrido, Paredes

$10.00

Jose Aguilar Gorrondona, Ucab

$15.65

Santiago Hernandez, Livrosca

$16.79

A. Rengel - Romberg, Organizacion Capriles

$30.43

Francisco Hung Vaillant, Vadell Hermanos

$7.00

Omar Rodriguez Aguero, Atenea

$7.17

Mauricio Rodriguez F., Livrosca

$11.58

Hector R. Peñaranda Q., Ediluz

$13.13

Freddy Zambrano, Atenea

$5.86

Arquimedes E. Gonzalez F.

$16.00

Carmen Sue Espinoza, Universidad de Carabobo

$13.49

James-otis Rodner S., Academia de Ciencias

$6.00

Hector R. Peñaranda Q., Cpluz

$10.00