H. Reichmann, Thomson

$42.00

Norman E. Gronlund, Trillas

$34.91

$10.44

Carreño, Kingkolor

$7.20

L. Sagols - J. Linares, Mcgraw Hill

$25.20

Ana Ponce de Leon, Ccs

$14.40

Dario Linares Hernandez, Dl Editoriales

$10.69

$10.44

$10.44

Jose Gregorio Bello P., Panapo

$7.20

Luis Quintana, Mcgraw Hill

$24.00

Antonio Perez Esclarin, San Pablo

$6.00

Luis Quintana, Mcgraw Hill

$12.00

A. Rubio Gil, Diaz de Santos

$33.60

$14.40