E. Rodriguez - F. Suarez, Romor
$17.00
Livian Navarro Caro, Panapo
$1.00
William A. Fleckenstein, Mcgraw Hill
$20.00
Gaceta Nº 39.668, Njr
$2.00
Pablo Corral Anuarbe, Mcgraw Hill
$41.52
Margarita A. de Sanchez, Trillas
$10.00
Gaceta Nº 6.185, la Piedra
$9.00