“Alpas: A Solar-Powered Weed Cutter With Obstacle Detection and Bluetooth-Based Smartphone Control for Sustainable Ground Maintenance”. American Journal of Smart Technology and Solutions 4, no. 1 (June 24, 2025): 109–115. Accessed August 2, 2026. https://www.e-pallipublishers.com/index.php/ajsts/article/view/4948.