I. de Valera - J. Salaver, Liber

$12.00

Dr. Alberto Jose la Roche, Cibel Gutierrez

$8.40

Gert Kummerow, Mcgraw Hill

$12.00

$13.50

Mauricio Rodriguez F., Livrosca

$13.89

Jose L. Villegas M., Funeda

$4.80

Enrique Urdaneta F., Academia de Ciencias

$8.40

Mary Sol Grateron Garrido, Paredes

$12.00

Arquimedes E. Gonzalez F.

$19.20

Ivan Dario Torres, Paredes

$15.00

A. Branger - L. Flores, Universidad de Carabobo

$10.80

Emilio Calvo Baca, Ediciones Libra

$24.42

Santiago Hernandez, Livrosca

$20.14

Hector R. Peñaranda Q., Cpluz

$12.00

Gonzalez Escorche, Vadell

$9.26