Ricardo Bulmez, Urania
$15.00
Gaceta Nº 39.945, Njr
$2.00
Carlos E. Weffe H., Avdt
$7.74
C. Verde - S. Gentil, Trillas
$20.00
J. Badillo-r. Rodriguez, Limusa Noriega Editores
$28.00
Toyn F. Villar V., Libra
$10.80
Gaceta Nº 5.940, Ml
$3.00
Starr - Taggart - Evers, Cengage Learning
$73.00
Luis Peru de Lacroix
$1.00
J. Garcia - J. Lopez, Mcgraw Hill
$47.00
Hector R. Peñaranda Q., Cpluz
$10.00