Siddiqui, A., & Mehrotra, S. (2021). Impact of Online Shopping Over Offline Shopping during Covid-19 (with special reference to Kashipur, Uttarakhand). SAMRIDDHI : A Journal of Physical Sciences, Engineering and Technology, 13(SUP 2), 232-240. https://doi.org/10.18090/samriddhi.v13spli02.21