Alberto Arias Amaro, Romor
$15.00
Gaceta N. 40.639, Njr
$2.00
William A. Fleckenstein, Mcgraw Hill
$20.00
Gaceta N. 40.639, la Piedra
$4.00
Livian Navarro Caro, Panapo
$1.00
Gaceta No 5.022, Njr
$2.00
C.j.savant Jr. - M. Roden, Pearson Educacion
$21.00