Ma, Fangyan, and Longcan Wang. “Low-Carbon Truck-Multi-Drone Collaborative Routing for Urban Cold-Chain Distribution With Perishability and Time-Varying Payloads”. Artificial Intelligence and Digital Technology 3, no. 3 (August 19, 2026): 115–131. Accessed October 25, 2026. http://soapubs.com/index.php/AIDT/article/view/2708.