Terms and Conditions


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


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.

Delivery Time

In automatic payment, product delivery is instantaneous. But in manual payment, the product is delivered after payment confirmation, which is usually between 1 to 8 working hours.


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.