EYSHI REZAEI E, MOHAMMADIAN A, KOOHI M, BANNAYAN M. Comparative Analysis of Drought Indices for Drought Zone Scheme of Northern Khorasan Province of Iran. Not Sci Biol [Internet]. 2011 Aug. 25 [cited 2024 Apr. 20];3(3):62-9. Available from: https://www.notulaebiologicae.ro/index.php/nsb/article/view/6170