Alberto Arias Amaro, Romor
$15.00
F. Kerlinger - H. Lee, Mcgraw Hill
$43.29
Carlos E. Weffe H., Avdt
$7.74
Fidias G. Arias, Episteme
$8.04
Gaceta Nº 6.116, Njr
$2.00
Jose Peña Solis, Ediciones Paredes
$18.00
Gaceta Nº 6.117, Rgraficas 2021
$1.00
Jose Saban Ruiz, Diaz de Santos
$30.00