Toqtarbek, M., G. Burasheva, and B. Yeskaliyeva. “Preparation Method of Biologically Active Substances from Plants of Bunium Seravschanicum, Carum Black and Indian Cumin.”. Chemical Bulletin of Kazakh National University, Vol. 73, no. 1, Apr. 2014, pp. 9-13, doi:https://doi.org/10.15328/chemb_2014_19-13.