عاطف عبدالرحمن ادم محمد, آدم عبدالرحمن آدم محمد. The Value Chain Analysis and its Role on the Cost Reduction to Support the Competitive Advantage "Field Study on Food Processing Companies – Khartoum District - Sudan": "دراسة ميدانية على شركات التصنيع الغذائي بولاية الخرطوم 1444هـ - 2022م". wnjsr [Internet]. 2023 Sep. 1 [cited 2026 Jun. 13];(22):105-32. Available from: https://journals.wnu.edu.sd/index.php/wnjsr/article/view/49