Zarin, Asma Ferdous Characterizing meteorological droughts of northwest and southwest bangladesh using SPT and SPEI under changing climatic conditions / Asma Ferdous Zarin - Chittagong : Author, c2020 - 89 L. : 22 cm. Subjects--Topical Terms: Changing climatic Dissertation, academic Dewey Class. No.: T551.6 Z36c