Osw, Peshawa S., and Faiq H.S. Hussain. “Inductively Coupled Plasma-Optical Emission Spectrometric Determination of Some Elements from Anchusa Azurea Mill. Collected in Iraqi Kurdistan Region”. EURASIAN JOURNAL OF SCIENCE AND ENGINEERING, vol. 6, no. 2, Dec. 2020, pp. 21-30, https://doi.org/10.23918/eajse.v6i2p21.