asumsi rasionalitas dalam ekonomi islam

https://drive.google.com/file/d/10yF7GeRm6U2-wc2cdFnz4hti1xtO49C8/view?usp=drivesdkhttps://drive.google.com/file/d/10yF7GeRm6U2-wc2cdFnz4hti1xtO49C8/view?usp=drivesdk