Mu'amalat is a Sharia Economic Law journal managed by the Department of Sharia Economic Law (Muamalah), Faculty of Sharia, UIN Mataram. The focus of the study of Mu'amalat journal on studies and results regarding Sharia Economic Law such as Contracts in Islamic Business Transactions, Islamic Business Ethics, Sharia Economic Thought, Economic Institutions People, and halal haram are forbidden an economic transaction based on Sharia Economic Law. Muamalat is issued 2 (two) times in a year, precisely in June and December.