About the project

The electronic library is a non-profit project and was created with the aim of assisting students and schoolchildren in high-quality preparation for tests and exams, as well as teachers in preparing for classes. On the site you can find interesting, new and relevant information for self-education.

If you are interested in posting educational materials whose authors you are, send their electronic version by email info@disseng.com

If you believe that your copyrights are violated, write to the email info@disseng.com  and we will immediately remove the training material.

All training materials posted on the site are provided by their owners or taken from open sources on the Internet and are presented solely for informational purposes on the basis of licenses Creative Commons.