Gaceta Nº 5.991, Njr
$2.00
Gaceta Nº 38.596, Njr
$2.85
Laura Hernandez Ramirez, Mc Graw Hill
$8.00
William I. Correa Suarez, Livrosca
$6.17
Valentin Gavidia Catalan, Magisterio
$6.00
Jose Saban Ruiz, Diaz de Santos
$30.00
Gaceta Nº 6.013, R Grafica
$1.80