U.Ramani, R.Nithya, M.Thilagaraj, S.Sathieshkumar,T.Santhoshkumar. “Measurement And Control Of Z-Mill Coolant Oil Parameters Using Zigbee Based Embedded System”. International Journal of Advanced Science and Technology, Vol. 29, no. 12s, May 2020, pp. 924 -30, http://sersc.org/journals/index.php/IJAST/article/view/22553.