Imonigie, A. O., F.A. Aigbodioh, and M. A. Obomeghie. 2024. “Development of Automatic Sensor-Activated Umbrella System for Stationary Out Door Application”. Direct Research Journal of Engineering and Information Technology 12 (2): 35-44. https://journals.directresearchpublisher.org/index.php/drjeit/article/view/319.