%0 Journal Article
%T Comparative Analysis of Drought Indices for Drought Zone Scheme of Northern Khorasan Province of Iran
%A Eyshi Rezaei, Ehsan
%A  Azade Mohammadian
%A  Mansoore Koohi
%A  Bannayan Aval, Mohammad
%J Notulae Scientia Biologicae
%@ 2067-3205
%D 2011