G. Katz - M. Katz, Mcgraw Hill

$6.00

C. Navarro - M. Rull, Santillana

$24.29

Freddy Suarez Figueroa, Disutextos

$26.52

$8.40

Ana Maria Maqueo, Noriega

$20.59

Mercedes Hernandez P., Biosfera

$23.76

C. Navarro - M. Rull, Santillana

$24.29

Marcos J. Alfonso B., Santillana

$9.11

Hilda M. Benavides, Trillas

$11.94

Henry Cedeño, Cobo

$9.60

$6.00

$25.81

Maria Pereira-p. Velasco, Trillas

$12.00

Freddy Suarez Figueroa, Disutextos

$26.52

Carolina Peña, Actualidad

$2.09