Alberto Arias Amaro, Romor
$8.40
Aderito de Sousa F., Mcgraw Hill
$61.89
Gaceta Nº 39.840, Njr
$2.76
Frederick Cabrera Conde, Ediciones Mutare
$12.00
J. Casal - J. Suarez, Ucab
$10.19
Laura Hernandez Ramirez, Mc Graw Hill
$9.60
Gaceta Nº 36.607, Dabosan
$1.20
C. Dieguez - R. Yturriaga, Mcgraw Hill
$48.00
C. Verde - S. Gentil, Trillas
$30.36
Angel R. Fajardo H., Editorial Nus Caracas
$6.48