M. K. Gasoc, R. G. Patunongon, H. M. Gultiano, J. J. N. A. Davines, and C. D. B. Bondad, “Alpas: A Solar-Powered Weed Cutter with Obstacle Detection and Bluetooth-Based Smartphone Control for Sustainable Ground Maintenance”, Am. J. Smart Technol. Sol., vol. 4, no. 1, pp. 109–115, Jun. 2025.