The Role of Lean Manufacturing in Supporting Competitive Sustainability through the Implementation of Cleaner Production Principles) An Applied Study at Al-Diwaniyah Dairy Factory (. JAFS [Internet]. 2026 Jun. 30 [cited 2026 Jul. 21];21(75):366-75. Available from: https://jpgiafs.uobaghdad.edu.iq/index.php/JAFS/article/view/2588