Nurpeisova, D., M. Toktarbek, G. A. Seitimova, B. K. Yeskaliyeva, G. Sh. Burasheva, & M. Iqbal Choudhary. " Phytochemical analysis of Petrosimonia sibirica grown in Kazakhstan." International Journal of Biology and Chemistry [Online], 11.2 (2018): 129-134. Web. 21 Apr. 2019