H. Gutierrez-r.de la Vara, Mcgraw Hill
$50.00
Jesus R. Torres Pertuz, Paredes
$9.26
Tatiana B. de Maekelt, Ciencias Politicas
$6.50
Carmelo Borrego, Livrosca
$13.89
A. Mclennan - A. Bates, Mcgraw Hill
$32.00
W. Smith - J. Hashemi, Mcgraw Hill
$68.00
Marcela Benassini, Prentice Hall
$20.88
Carlos A. Ledesma, Buyatti
$27.19