Nair Reshma Mohan, Vaishakh.G.Nair, Haresh Jakkar, Darpan Meher and Prof. Syed Amjed Ali 2016. RFID BASED SMART TROLLEY FOR REDUCING THE BILLING TIME. International Journal of Advance Research in Engineering, Science & Technology. 3, 3 (Mar. 2016), 203–208.