Karkee, R. and Gautam, S. 2014. The Study of Variation of Coefficient of Restitution on Subjecting the Bouncing Surface with A4 Paper. Kathmandu University Journal of Science, Engineering and Technology. 10, 1 (Nov. 2014), 79–89. DOI:https://doi.org/10.3126/kuset.v10i1.63689.