Dr. Anbarasu B, Surya Prakash GS, Shaajin Somson, Akshayaram A. (2021). Development Of Obstacle Detection And Collision Avoidance For Micro-Aerial-Vehicle Using Multi-Ultrasonic Sensor. International Journal of Modern Agriculture, 10(2), 4200 - 4209. Retrieved from http://modern-journals.com/index.php/ijma/article/view/1310