Luis Quintana, Mcgraw Hill

$12.00

Norman E. Gronlund, Trillas

$34.91

Antonio Perez Esclarin, San Pablo

$6.00

H. Reichmann, Thomson

$42.00

Abel Cortese, Planeta

$30.00

Miguel Del Cura, Paraninfo

$45.60

Victor Colina, Biosfera

$9.24

Luis Quintana, Mcgraw Hill

$24.00

Antonio Perez Esclarin, San Pablo

$7.29

$6.07

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Dario Linares Hernandez, Dl Editoriales

$10.69

$14.40

Jose Gregorio Bello P., Panapo

$7.20