Abdullah, Alaa Abdel Hamid. “Measuring the Effect of Production Factors on the Quantity of Dates in Iraq for the Period from (2010 – 2021) Using the Cobb-Douglas”. Tikrit Journal of Administrative and Economic Sciences 18, no. 59, 1 (September 30, 2022): 376–396. Accessed July 25, 2026. https://www.tjaes.org/index.php/tjaes/article/view/452.