Praveen M, Beryl Caleb S, Mrs.J.Jayapradha. “Garbage Bin Optimization Using IoT, RFID and a Crusher Mechanism”. International Journal of Advanced Science and Technology, Vol. 29, no. 06, May 2020, pp. 2670 -81, http://sersc.org/journals/index.php/IJAST/article/view/13728.