WASET
Dhiman, C. , Paliwal, A. , Khan, M. , Reddy, M. , Gupta, V. , Tomar, M.. "Detailed Sensitive Detection of Impurities in Waste Engine Oils Using Laser Induced Breakdown Spectroscopy, Rotating Disk Electrode Optical Emission Spectroscopy and Surface Plasmon Resonance". World Academy of Science, Engineering and Technology, Open Science Index 151, International Journal of Physical and Mathematical Sciences (2019), 13(7), 167 - 172.