& AL-HIYALI A-D. STABILITY ANALYSIS IN EQULIBRIUM OF THE DEMAND AND SUPPLY FOR WHEAT CROP IN IRAQ DURING THE PERIOD 1971-2013USING COBWEB MODEL. Iraqi J. Agric. Sci. [Internet]. 2017 Oct. 12 [cited 2024 Nov. 22];48(5). Available from: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/342