Rishabh Aryan; Anju; Satpal; Nishtha Kalia; Dr. Sarwan Singh. From Rule-Based Systems to Retrieval-Augmented LLMs: A Comparative Review of AI Approaches for Maize Pest and Disease Management in Punjab. Cad. Pós-Grad. Direito Polít. Econ. 2026, 26, 1069-1092.