L. Salazar - C. Navarro, Santillana
$4.80
M. Villasmil - B. Flores, Cadena Capriles
$5.56
Gaceta Nº 5.991, Njr
$2.00
Starr - Taggart - Evers, Cengage Learning
$73.00
J. Garcia - J. Lopez, Mcgraw Hill
$47.00
Gaceta Nº 40.106, Njr
$2.00
A. Chiang y K. Wainwright, Mcgraw Hill
$46.00
Sue Kay - Vaughan Jones, Macmillan
$1.00
Gaceta Nº 38.394, Nr
$1.00
Gaceta Nº 39.610, la Piedra
$2.50