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A Counterpart Approach to Attendance and Feedback System us..:

Reddy, N.Sudhakar ; Sumanth, M.V. ; Babu, S.Suresh
JETIR- International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.5, Issue 12, page no.190-193, December-2018.  , 2018