Manual de lecciones Dreyfous
Subtitle: ColorFrac
By: por Ricardo Dreyfous.
Edition: Draft
Publisher: Dreyfous ℓ Assoc.
Published: 1996
Place of publication: México
Language: spa
Number of pages: 24
Subjects: Fractions -- Study and teaching.; Spanish language materials.
Other titles: Lecciones Dreyfous ColorFrac; Dreyfous ColorFrac; ColorFrac; ColorFrac