HASAN, S. S., G. Y. HAJI, and M. K. HASSAN. “STAND VOLUME EQUATION FOR Pinus Brutia Ten. NATURAL GROWING IN ZAWITA AREA, KURDISTAN REGION OF IRAQ”. Journal of Duhok University, Vol. 25, no. 1, May 2022, pp. 114-21, doi:10.26682/ajuod.2022.25.1.12.