Analysis of the Circular Economic System Using the Causal Loop Diagram Method Based on the Green Economy an Islamic Economic Perspective in West Sumatera. int.jour.sci.res.mana [Internet]. 2025 Jan. 8 [cited 2025 Feb. 22];13(01):8235-44. Available from: https://ijsrm.net/index.php/ijsrm/article/view/5954