“THEMATIC ANALYSIS OF SHARIA STOCK PORTFOLIO DIVERSIFICATION AND FINANCIAL RATIOS: A CONCEPTUAL STUDY BASED ON THE INDONESIAN SHARIA STOCK INDEX (ISSI)”. BEMJ: Business, Entrepreneurship, and Management Journal 4, no. 2 (January 16, 2026): 112–126. Accessed January 18, 2026. https://journal.unita.ac.id/index.php/bemj/article/view/1953.