An Empirical Comparison of Multi-Agent LLM Collaboration Strategies for Cross-Document Fraud Evidence Aggregation and Auditable Investigation Chains. J. Sci. Innov. Soc. Impact [Internet]. 2026 Jul. 3 [cited 2026 Jul. 26];2(4):52-63. Available from: https://pinnaclepubs.com/index.php/JSISI/article/view/846