Balola, Y.M. and Hamed, M.A. 2021. The Role of the Cost Method Based on Specifications in Supporting the Competitiveness of the Industrial Sector of Poultry Companies’ A Field Study on Arab Poultry Company-Khartoum. Journal of Economic, Administrative and Legal Sciences. 5, 20 (Oct. 2021), 119–103. DOI:https://doi.org/10.26389/AJSRP.M290621.