Karimi, Mahsa, Jafar Oladi Ghadikolaei, and Jahangir Mohammadi. 2018. “Identification of Dust Storm Sources Area Using Ackerman Index in Kermanshah Province, Iran”. Journal of Research in Biology 8 (6), 2534-43. https://ojs.jresearchbiology.com/index.php/jrb/article/view/475.