Dario Linares Hernandez, Dl Editoriales

$10.69

Luis Quintana, Mcgraw Hill

$24.00

Victor Colina, Biosfera

$9.24

Ana Ponce de Leon, Ccs

$14.40

Jose Gregorio Bello P., Panapo

$7.20

Prof. Ramon Grau, Ediciones Grau

$7.20

$1.51

Pablo Rios Cabrera, Cognitus

$9.13

Norman E. Gronlund, Trillas

$34.91

Miguel Del Cura, Paraninfo

$45.60

$10.44

Abel Cortese, Planeta

$30.00

Antonio Perez Esclarin, San Pablo

$7.29

$14.40

$6.07