Varios, los Angeles Editores
$14.20
Emilio J. Urbina Mendoza, Funeda
$8.48
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Alayon - Carballo - Daza, Ucab
$9.15
Carlos Perez Fernandez, T.s.j.
$7.00
Gaceta Nº 6.209, Njr
$1.80
Anil K. Lalwani, Macgraw Hill
$48.00