Abel Cortese, Planeta

$30.00

$1.51

$14.40

Luis Quintana, Mcgraw Hill

$12.00

Miguel Del Cura, Paraninfo

$45.60

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

A. Rubio Gil, Diaz de Santos

$33.60

Antonio Luis Cardenas, Dasa

$4.80

Ana Ponce de Leon, Ccs

$14.40

$6.07

H. Reichmann, Thomson

$42.00

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Livian Navarro Caro, Panapo

$1.20

Jose Gregorio Bello P., Panapo

$7.20

Norman E. Gronlund, Trillas

$34.91