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Terms and Conditions


The products we offer in digital format include books and other scientific materials such as articles, magazines, audiobooks, and educational videos.

(Products are downloadable files. After payment, the download link will be automatically sent to your email address. In fact, you will download the book file and you can save and read it on your computer, mobile, and tablet).


Due to the fact that our products are digital products, it is not possible to refund the money after completing the purchase. However, if you request to replace the product, we can offer you another product with a 50% discount. But it is not possible to repay the previous amount.


All information you enter on the site when ordering and purchasing the product is strictly confidential and will not be disclosed to third parties.


We will respond to all requests including orders, offers and complaints within 1 to 48 hours.