Presented to

[نام نویسنده را انتخاب نمایید]

This is to certify that your paper entitled «Chaotic Test and Non-Linearity of Abnormal Stock Returns: Selecting an Optimal Chaos Model in Explaining Abnormal Stock Returns around the Release Date of Annual Financial Statements» was indexed with 13 pages, in the CIVILICA citation database, code COI:JR_AMFA-6-2_008, after evaluation and approval of the referees of the "Advances in Mathematical Finance and Applications Vol 6, Issue 2 , Year 2021.

While offering our congratulations on the indexation of your paper, please be informed that this certificate is prepared based on the information submitted by the secretariat of the above journal and the information contained in the CIVILICA database, and the accuracy of its content can be inquired at any time through link provided at the bottom of the page or scanning the code image.