J. Vargas P. - P. Garcia, Romor
$7.13
M. Villasmil - B. Flores, Cadena Capriles
$5.56
Maria Teresa Machado, Maria Teresa Machado
$7.00
M. Width - T. Reinhard, Lippincott
$25.00
P. Samuelson - W Nordhaus, Mcgraw Hill
$57.00
J. Garcia - J. Lopez, Mcgraw Hill
$47.00
S Berti - S Cordoliani, Fundacion Empresas Polar
$2.25