A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Anil K. Lalwani, Macgraw Hill
$48.00
Margarita A. de Sanchez, Trillas
$10.00
Gaceta Nº 39.945, Njr
$2.00
Gyawaly, Lippincott
$50.23
Livian Navarro Caro, Panapo
$1.00
Gaceta No. 6.209, Ml, C.a.
$1.50
Laura Hernandez Ramirez, Mc Graw Hill
$8.00
Luis Peru de Lacroix
$1.00