1. Prasanna Balaji.R1, Manikandan.T2, Automatic Public Distribution System, IJCSMC, 2, 7, July 2013, 93-107.
2. Rajesh C. Pingle_And P. B. Boroley, Automatic Rationing For Public Distribution System (Pds) Using Rfid And Gsm Module To Prevent Irregularities, HCTL Open IJTIR, Volume 2, March 2013.
3. S. Sukhumar1, K. Gopinathan2, S. Kalpanadevi3, P. Naveenkumar4, N. Suthanthira Vanitha5, Automatic Rationing System Using Embedded System Technology, International Journal Of Innovative Research In Electrical, Electronics, Instrumentation And Control Engineering Vol. 1, Issue 8, November 2013.
4. S. Valarmathy1, R. Ramani1, Fahim Akhtar2, S. Selvaraju2, G. Ramachandran2, In MECS, Published Online October 2013.
5. Microcontroller Interfacing Circuits, www.picaxe.co.uk, Section 3.