C. Navarro - O. Dominguez, Santillana
$4.80
M. Nordin - V. Frankel, Lippincott
$80.00
Jorge E. Burbano Ruiz, Mcgraw Hill
$35.00
Carlos A. Ledesma, Buyatti
$27.19
M. Morris Mano - Ch. Kime, Prentice Hall
$22.00
Jesus R. Torres Pertuz, Paredes
$9.26
Gaceta N. 6.667, Ml, C.a.
$6.00
Gyawaly, Lippincott
$50.23
Jose Peña Solis, Ediciones Paredes
$18.00
Hector Ramon Peñaranda Q., Luz
$10.00