M. Velhagen - E, Calderon, Trillas
$6.00
Miguel A. Bolivar D., Actualidad Escolar 2000
$18.20
Gaceta Nº 6.116, Njr
$2.00
Ciro Fernando Camerlingo, Buchivacoa
$8.50
Gaceta No. 39.627, Ml
$8.00
Gaceta No. 39.795, Njr
$1.40
Alayon - Carballo - Daza, Ucab
$9.15
H. Gutierrez-r.de la Vara, Mcgraw Hill
$50.00
Imelda Arana Saenz, Magisterio
$7.00
Gaceta Nº 39.840, Njr
$2.30
Margarita A. de Sanchez, Trillas
$10.00