1. Chawana, T., Adebesin, F.: The current state of measuring return on investment in user experience design. South Afr. Comput. J. 33, 22–36 (2021)
2. Murad, C., Munteanu, C., Cowan, B.R., Clark, L.: Revolution or evolution? Speech interaction and HCI design guidelines. IEEE Pervasive Comput. 18, 33–45 (2019)
3. Tariverdiyeva, G.: Chatbots’ perceived usability in information retrieval tasks: an exploratory analysis (2019)
4. Fadhil, A.: Domain specific design patterns: designing for conversational user interfaces. arXiv preprint arXiv:1802.09055 (2018)
5. Borsci, S., et al.: The chatbot usability scale: the design and pilot of a usability scale for interaction with AI-based conversational agents. Pers. Ubiquit. Comput. 26(1), 95–119 (2021). https://doi.org/10.1007/s00779-021-01582-9