1. Gorvett, Z., & Brunelle, F. (2016). You are surprisingly likely to have a living doppelganger. BBC Future. https://www.bbc.com/future/article/20160712-you-are-surprisingly-likely-to-have-a-living-doppelganger. Accessed 19 Apr 2023.
2. Bearded Doppelgängers Find Each Other. (2015). https://twitter.com/i/events/660135613019090945?lang=en. Accessed 19 Apr 2023.
3. Coburn, T. B. (1991). Encountering the goddess: A translation of the Devī-Māhātmya and a study of its interpretation. SUNY Press.
4. Cain, S., Smrkovski, L., & Wilson, M. (2020). Voiceprint identification. https://www.expertpages.com/library/voiceprint-identification. Accessed 19 Apr 2023.
5. Govaerts, R., et al. (2017). Naming and counting the world’s plant families. In K. J. Willis (Ed.), State of the world’s plants 2017: Report. Royal Botanic Gardens.