An Autonomous Constituent Institute of Dr. A.P.J. Abdul Kalam Technical University Uttar Pradesh, Lucknow
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"MATHUR D., . (2019). MECHANICS. NEW DELHI: S. CHAND.
"MATHUR D.S, . 2019. MECHANICS. NEW DELHI: S. CHAND.
"MATHUR D.S, . MECHANICS. NEW DELHI: S. CHAND. 2019.