M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Cira de Pira de Pelekais, Cira de Pelekais
$15.00
Fernandez, Ra-ma
$47.57
Gyawaly, Lippincott
$50.23
Hector R. Peñaranda Q., Cpluz
$10.00
Joseph E. Muscolino, Lippincott
$58.00
Gaceta No. 6.017, Njr
$2.00
J. Garcia - J. Lopez, Mcgraw Hill
$47.00