Mercedez Hernandez Perez, Biosfera

$23.76

Z. Martin - A. Hernandez, Saber

$16.80

G. Katz - M. Katz, Mcgraw Hill

$6.00

$33.15

Victor M. Rodriguez, Trillas

$11.94

Ana Maria Maqueo, Noriega

$20.59

Freddy Suarez Figueroa, Disutextos

$26.52

Monserrat Rull, Santillana

$10.63

Gisela Soto, Cobo

$12.00

Hilda Fernandez, Trillas

$11.94

$33.12

Miguel Del Valle Rojas, Actualidad

$34.56

R. Diaz - A. Hernandez, Saber

$16.80

A. Rondon - I. Berroteran, Salesiana

$12.00

Ramona M. de Rivero, Romor

$6.00