Manduva Supriya, Polamreddy Malvika, Ms.M.S.Minu, Medharametla Alekya,. 2020. “Arduino Controlled Multipurpose War Field Spy Robot for Military Surveillance”. International Journal of Advanced Science and Technology 29 (3), 5485 -94. http://sersc.org/journals/index.php/IJAST/article/view/6056.