Adopting the green value chain to achieve sustainable competitive advantage: study to views of a sample from Ur General Company for Engineering Industries in Dhi Qar. JAFS [Internet]. 2021 Nov. 9 [cited 2024 Apr. 29];16(خاص):32-4. Available from: https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/1011