Sinta Ritonga, Dewi, Ahmad Tarmizi, and Dessy Anggraini. 2023. “The Impact of Rubber Sap Price Fluctuations on The Welfare of Rubber Farmers From Islamic Economics Perspective”. ILTIZAM Journal of Shariah Economics Research 7 (1): 50-60. https://doi.org/10.30631/iltizam.v7i1.1681.