Safari M, Haji Babaei A, Daya A, Manouchehriniya M. Separating geochemical anomalies by concentration- area, concentration-perimeter and concentration-number fractal models in Qaen region, East of Iran. Iran J Earth Sci. 2021 Jan. 6;14(4):271-84. Available from: https://oiccpress.com/ijes/article/view/8149