& Al Hani, A. . B. ECONOMETRICS ANALYSIS FOR SUPPLY RESPONS OF WHEAT CROP USING AUTOREGRESSIVE DISTIRBUTED LAG MODELS( ARDL) FOR THE PERIOD (1970-2014). Iraqi J. Agric. Sci. 2017, 48 (6 B). https://doi.org/10.36103/ijas.v48i6 B.278.