Antonio Perez Esclarin, San Pablo

$6.00

Abel Cortese, Planeta

$30.00

$10.44

$10.44

Frida Diaz Barriga Arceo, Mcgraw Hill

$36.00

Jose Gregorio Bello P., Panapo

$7.20

Victor Colina, Biosfera

$9.24

$14.40

Norman E. Gronlund, Trillas

$34.91

Antonio Perez Esclarin, San Pablo

$7.29

H. Reichmann, Thomson

$42.00

Luis Quintana, Mcgraw Hill

$12.00

Dario Linares Hernandez, Dl Editoriales

$10.69

Antonio Luis Cardenas, Dasa

$4.80

$10.44