DETERMINANTS OF FINANCIAL PERFORMANCE IN ISLAMIC AND CONVENTIONAL BANKS: THE MEDIATING ROLE OF OPERATING EFFICIENCY AND THE MODERATING EFFECT OF SHARIA COMPLIANCE. CJSSR [Internet]. 2025 Dec. 12 [cited 2026 Jun. 3];3(4):338-47. Available from: https://contemporaryjournal.com/index.php/14/article/view/1217