Hadi, Fazal, and Muhammad Ibrar. “Grass Diversity in the Historical Kalash Valley, District Chitral, Hindukush Range, Pakistan”. Biological Sciences - PJSIR 60, no. 2 (August 24, 2017): 59–64. Accessed May 3, 2024. https://v2.pjsir.org/index.php/biological-sciences/article/view/30.