“Role of Managerial Accounting Information System in Improving the Value Chain and Its Impaction Evaluation Performance: دراسة حالة في الشركة العامة لصناعة الزيوت النباتية”. Journal of Accounting and Financial Studies ( JAFS ) 10, no. 32 (February 26, 2019). Accessed December 24, 2024. https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/356.