Stanislav Markovich. “Revolutionizing Last-Mile Logistics: Integrating Autonomous Vertical Delivery Systems in High-Rise Urban Environments”. Emerging Frontiers Library for The American Journal of Engineering and Technology 7, no. 8 (August 5, 2025): 30–37. Accessed March 4, 2026. https://emergingsociety.org/index.php/efltajet/article/view/256.