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2. Annmarie Hanlon, “Digital Marketing: Strategic Planning and Integration”, Sage Publication, (2019).
3. Dave Chaffey, P.R. Smith, “Digital Marketing Excellence: Planning, Optimizing and Integrating Online Marketing”, Routledge, Fifth Edition, (2017).
4. https://marketing.toolbox.com/articles/what-is-digital-marketing-definition-typesbestpractices-with-examples
5. G. T. Waghmare, E-commerce; A Business Review and Future Prospects in Indian Business, 2012