DMCA does not contain any workbooks on its servers. All content is provided by external suppliers, not guaranteeing its availability for free. respects copyrights, in accordance with the Digital Millennium Copyright Act. Our policy consists of (1) blocking or withdrawing access to material with copyrighted, copied and distributed unlawfully by any of our advertisers, affiliates, content providers, members or users and (2) withdraw and suspend the service to repeat offenders.

If you consider that the material or content that resides on the website infringes a copyright, send through our Contact form the following information:

1. Physical or electronic signature of the owner of the copyright allegedly infringed. Or, of a person authorized to act on your behalf.

2. Identification of the material that allegedly violates rights, including information about the location of the infringing materials that the copyright owner requests to be removed, with sufficient detail to be able to find them and verify their existence.

3. Contact information about the copyright owner, including address, telephone number and email address. If you are not the owner of the copyright allegedly infringed, describe your relationship with the copyright owner.

4. Statement of good faith that the material is not authorized by the copyright owner, its agent or the law.