Antonio Luis Cardenas, Dasa

$4.80

Abel Cortese, Planeta

$30.00

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Prof. Ramon Grau, Ediciones Grau

$7.20

$6.07

Pablo Rios Cabrera, Cognitus

$9.13

Jose Gregorio Bello P., Panapo

$7.20

$14.40

Ana Ponce de Leon, Ccs

$14.40

$10.44

$1.51

Antonio Perez Esclarin, San Pablo

$8.40

H. Reichmann, Thomson

$42.00

Antonio Perez Esclarin, San Pablo

$7.29