Edeh, J. C., Nwadinobi, C. P., & Obetta, E. C. (2021). Development and Deployment of Quadcopter in Silos’ Inspection and Surveillance. ARID ZONE JOURNAL OF ENGINEERING, TECHNOLOGY AND ENVIRONMENT, 17(4), 429-438. Retrieved from https://azojete.com.ng/index.php/azojete/article/view/509