R. Ahumada - A.montenegro, Trillas
$8.75
S Berti - S Cordoliani, Fundacion Empresas Polar
$2.25
Hernando Grisanti A., Vadell Hermanos
$1.00
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
William A. Fleckenstein, Mcgraw Hill
$20.00
Hector Ramon Peñaranda Q., Luz
$10.00
Gaceta Nº 39.668, Njr
$2.00
Gaceta Nº 37.296, Rgraficas 2021
$2.00
Gaceta Nº 6.185, la Piedra
$9.00
Gaceta No. 39.795, Njr
$1.40