Sinta Ritonga D, Tarmizi A, Anggraini D. The Impact of Rubber Sap Price Fluctuations on The Welfare of Rubber Farmers From Islamic Economics Perspective. IJSER [Internet]. 2023 Jun. 21 [cited 2025 Dec. 6];7(1):50-6. Available from: https://e-journal.lp2m.uinjambi.ac.id/ojp/index.php/iltizam/article/view/1681