محمد وفي عباس عبد عون الشمري. 2025. “The Linear Seasonal Regression Model and Its Role in Preparing the Cash Budget: Application in Al-Wisam Dairy Company”. Iraqi Journal for Administrative Sciences 9 (37). كربلاء، جمهورية العراق:122-39. https://journals.uokerbala.edu.iq/index.php/ijas/article/view/3027.