Alberto Arias Amaro, Romor
$7.00
L. Salazar - C. Navarro, Santillana
$4.80
Imelda Arana Saenz, Magisterio
$7.00
Hernando Grisanti A., Vadell Hermanos
$1.00
Gaceta Nº 39.808, Njr
$2.00
Gaceta Nº 6.017, Njr
$2.00
Ricardo Bulmez, Urania
$15.00
Robert S. Feldman, Mcgraw Hill
$40.00
Marianela Castes Boscan, Grupo Zeta
$11.35
Ref A4.px20, Prodimarca
$2.75
Mcphee, Mcgrawhill
$72.60
S. Joo - A. Kau, Lippincott
$57.60