R.Thamaraiselvi, D.Jeevitha, J.Indhumathi, R.Chandru, and P.Kumaresan. “Intelligent Plastic Waste Bottle Disposal System”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 5, no. 2, July 2017, pp. 1291-4, doi:10.61096/ijiarec.v5.iss2.2017.1291-1294.