International Conference on Green technology and environmental Conservation (GTEC-2011) Green Technology and Environmental Conservation (GTEC 2011), 2011 International Conference on. :94-99 Dec, 2011
IEEE-International Conference On Advances In Engineering, Science And Management (ICAESM -2012) Advances in Engineering, Science and Management (ICAESM), 2012 International Conference on. :111-111 Mar, 2012