V.Tamizharasu, and M.Santhosh. “A STUDY ON LOCATION-AWARE AND SAFER CARDS: ENHANCING RFID SECURITY AND PRIVACY VIA LOCATION SENSING”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 2, no. 1, Jan. 2014, pp. 59-63, doi:10.61096/ijiarec.v2.iss1.2014.59-63.