C. Pelekais - P. Gonzalez, Cira Pelekais
$6.52
C. Burrus - J. Mcclellan, Prentice Hall
$12.28
Dr. Ing. Harry Osers, Refolit C.a.
$12.28
Teddy Milano, Panapo
$11.30
Anil K. Lalwani, Macgraw Hill
$48.00
Omar Rodriguez Aguero, Atenea
$7.17
Carlos Moros Puentes, Juridicas Rincon
$6.00
F. Kerlinger - H. Lee, Mcgraw Hill
$43.29
Gaceta No. 39.027, Njr
$1.00