G. Katz - M. Katz, Mcgraw Hill

$6.00

C. Navarro - M. Rull, Santillana

$35.00

Sergio Medina Lopez, Noriega

$18.48

Ines Silva de Legorburu, Santillana

$9.44

Clara Martinez, Girasol

$32.50

Concetta de Risi de Alzur, Cobo

$11.94

Nancy Zambrano Chavez, Trillas

$14.00

Pablo Bravo, Biosfera

$18.20

Griselda Navas, Romor

$6.00

Marcela Hinojosa de Coria, Trillas

$11.94

Maira Molina Lucero, Trillas

$47.50

Ana. M. Torreiro - E. Perez, Grupo J3v

$17.00

$37.80

Marcos J. Alfonso B., Santillana

$11.94

Henry Cedeño, Cobo

$11.94