Ahmad Fathan Fadzulli, Omar Mohd Faizan Marwah, Mohammad Zulafif Rahim, Siti Juita Mastura Salleh, Zamri Omar, Suhaimi Hassan, and Reazul Haq Abdul Haq. “TiungLap: A Quadcopter Drone for Window Cleaning With an Integrated Pressure Washer Tethering System”. International Journal of Integrated Engineering 17, no. 8 (December 31, 2025): 169–180. Accessed March 11, 2026. https://publisher.uthm.edu.my/ojs/index.php/ijie/article/view/24088.