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3. American Library Association. (2017). Guidelines for Implementing and Maintaining Virtual Reference Services. Reference & User Services Association (RUSA). https://www.ala.org/rusa/resources/guidelines/virtrefguidelines.
4. Conceptualising a Library Chatbot using Open Source Conversational Artificial Intelligence
5. Bakshi, C. (2020). Random Forest Regression. Medium. https://levelup.gitconnected.com/random-forest-regression-209c0f354c84.