COST AND REVENUE EFFICIENCY OF ISLAMIC BANKING OPERATIONS OF TANZANIA COMMERCIAL BANKS. Arabian Journal of Business and Management Review (AJBMR), [S. l.], v. 10, n. 3, p. 135–142, 2021. DOI: 10.65453/ajbmr.v10i3.1098. Disponível em: http://j.arabianjbmr.com/index.php/ajbmr/article/view/1098. Acesso em: 28 oct. 2026.