Hector R. Peñaranda Q., Ediluz

$15.75

Mauricio Rodriguez F., Livrosca

$13.89

Jose Aguilar Gorrondona, Ucab

$18.78

Emilio Calvo Baca, Ediciones Libra

$24.42

Jose Aguilar Gorrondona, Ucab

$12.00

Francisco Hung Vaillant, Vadell Hermanos

$8.40

Santiago Hernandez, Livrosca

$20.14

Freddy Zambrano, Atenea

$7.03

A. Branger - L. Flores, Universidad de Carabobo

$10.80

Dr. Alberto Jose la Roche, Cibel Gutierrez

$8.40

Mary Sol Grateron Garrido, Paredes

$12.00

Omar Rodriguez Aguero, Atenea

$8.60

Gert Kummerow, Mcgraw Hill

$12.00

Enrique Urdaneta F., Academia de Ciencias

$8.40

Gonzalez Escorche, Vadell

$9.26