Alani, L. A. F., and A. D. K. Alhiyali. “FORECASTING WHEAT PRODUCTIVITY IN IRAQ FOR THE PERIOD 2019-2025 USING MARKOV CHAINS”. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, vol. 52, no. 2, Apr. 2021, pp. 411-2, https://doi.org/10.36103/ijas.v52i2.1302.