THEMATIC ANALYSIS OF SHARIA STOCK PORTFOLIO DIVERSIFICATION AND FINANCIAL RATIOS: A CONCEPTUAL STUDY BASED ON THE INDONESIAN SHARIA STOCK INDEX (ISSI). BEMJ [Internet]. 2026 Jan. 16 [cited 2026 Jan. 18];4(2):112-26. Available from: https://journal.unita.ac.id/index.php/bemj/article/view/1953