J. Castillo - C. Basurto, Trillas
$6.00
S. Joo - A. Kau, Lippincott
$57.60
Miguel Angel Ruiz Jimenes, Diaz de Santos
$26.00
Hector R. Peñaranda Q., Ediluz
$13.13
Gaceta, la Piedra
$4.00
Edison E. Villalobos A., Edison E. Villalobos A.
$6.17
Laura Hernandez Ramirez, Mc Graw Hill
$8.00
Hector Peñaranda Q., Luz
$10.00
Gaceta Nº 39.688, Njr
$2.00
H. Gutierrez-r.de la Vara, Mcgraw Hill
$50.00