Adriana Torres H., Trillas
$10.40
C. Burrus - J. Mcclellan, Prentice Hall
$12.28
Gaceta Nº 39.879, Njr
$1.80
Gaceta N. 38.763, Njr
$1.00
Carlos Perez Fernandez, T.s.j.
$7.00
Gaceta No. 6.209, Ml, C.a.
$1.50
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Hector R. Peñaranda Q., Ediluz
$13.13