FORMULATING RESEARCH PROBLEMS AND DEVELOPING HYPOTHESES IN QUANTITATIVE DA’WAH STUDIES: A SYSTEMATIC-CONTEXTUAL INTEGRATION FOR ENHANCED DA’WAH MESSAGE IMPACT. IJIC [Internet]. 2025 Jun. 28 [cited 2026 Mar. 12];8(1):43-70. Available from: https://ijic.jurnalpascauinkhas.com/index.php/IJIC/article/view/2359