Presented to

[نام نویسنده را انتخاب نمایید]

This is to certify that your paper entitled «THE STUDY OF HETEROCYSTOUS CYANOBACTERIA FROM PADDY FIELDS IN KALAT NADERI DISTRICT IN NORTH-EAST OF IRAN» was indexed with 8 pages, in the CIVILICA citation database, code COI:JR_IJB-20-2_018, after evaluation and approval of the referees of the "The Iranian Journal of Botany Vol 20, Issue 2 , Year 2023.

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.