Narayan Mohapatra, B., Kumari Mohapatra, R., Mirpagar, M., & Quershi, A. (2020). Ultrasonic based easy parking system based on Microcontroller. International Journal of Innovative Technology and Interdisciplinary Sciences, 3(2), 429–434. https://doi.org/10.15157/IJITIS.2020.3.2.429-434