Tengku Zawaw, Tengku Nurul Sa’adah i, Mohd Dani Muhamad, and Amal Hayati Ishak. 2019. “Hisbah and Quality Assurance: Learning from Islamic Golden Age Heritage”. Online Journal of Research in Islamic Studies 6 (November):25-36. https://jrmg.um.edu.my/index.php/RIS/article/view/20795.