Dr. Alejandro Briceño, Famac

$15.00

Angel R. Fajardo H., Editorial Nus Caracas

$5.40

Gaceta No. 39.019, Njr

$2.00

Gaceta Nº 39.236, Njr

$2.30

Laura Hernandez Ramirez, Mc Graw Hill

$8.00

Josefa Ramoni Perazzi, Ula

$7.00

K. Wark- D. Richard, Mcgraw Hill

$50.00

Raymond Chang, Mcgraw Hill

$41.00

Marie Mclisky, Garnet

$5.00

Jacqueline Hurtado, Quiron

$12.61

Guadalupe Malagon, Trillas

$25.00

Rafael Diaz Blanco, Atacama

$7.00

Gaceta Nº 25.822, Njr

$1.00

G. Piva - T. Pinto, Alvaro Nora

$12.50

Victor Colina, Biosfera

$7.00

Gaceta Nº 5.262, R Graficas 2021

$2.00

F. Tosta Garcia, Eduven

$8.50

Barbara Garcia Gogenola, Fc Editorial

$31.00

Gaceta Nº 36.511, R Graficas 2021

$1.00

Gaceta Nº 39.912, R Graficas

$2.30

Wilmer de Jesus Ruiz

$9.00

Gaceta No. 40.608, Rgrafica

$3.00

Fermin Lares, la Hoja Del Norte

$10.00

Nelson Fumo - Zambrano, Feunet

$3.46

Samir Azrak Nakkoul

$9.00

Beltran Haddad, Alvaro Nora

$11.09

L. Carrera - M. Vasquez, Panapo

$6.23

Julio Rodriguez B., Ciencias Politicas

$5.50

Gaceta Nº 38.326, Ciro Leon

$2.00

Gaceta Nº 40.358, Njr

$1.40