Aimaq MB, Salehy SM. Determining and detection of chemical and mineral composition of gypsum obtained from Karkar-Doodkas, Baghlan province. ijirss [Internet]. 2020 Sep. 2 [cited 2024 May 4];3(3):93-7. Available from: http://ijirss.com/index.php/ijirss/article/view/40