Prasun Bhattacharyya 2026. Reasoning-Based Orchestration and Multi-Agent Workflow Systems: Architecture, Human-AI Collaboration, and Governance in Enterprise Conversational AI Platforms. International Journal of Computer Information Systems and Industrial Management Applications. 18, 21s (Aug. 2026), 2110–2123. DOI:https://doi.org/10.70917/ijcisim-2026-5958.