Luis Quintana, Mcgraw Hill

$24.00

$10.44

Antonio Perez Esclarin, San Pablo

$8.40

Prof. Ramon Grau, Ediciones Grau

$7.20

Antonio Luis Cardenas, Dasa

$4.80

Victor Colina, Biosfera

$9.24

L. Sagols - J. Linares, Mcgraw Hill

$25.20

$6.07

Norman E. Gronlund, Trillas

$34.91

Antonio Perez Esclarin, San Pablo

$6.00

$14.40

Pablo Rios Cabrera, Cognitus

$9.13

Ana Ponce de Leon, Ccs

$14.40

Carlos Marx, Literatura Narrativa

$10.20

Fe y Alegria, Estudios

$9.60