J. YOUNIS, A., and M. K. HASSAN. “ASSESSING VOLUME OF Quercus Aegilops L.TREES IN DUHOK GOVERNORATE, KURDISTAN REGION OF IRAQ”. Journal of Duhok University, Vol. 22, no. 1, Aug. 2019, pp. 265-76, doi:10.26682/avuod.2019.22.1.25.