?url_ver=Z39.88-2004&rft_id=10.1145%2F3359997.3365717&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.aufirst=Maria&rft.aulast=Zelenskaya&rft.au=Zelenskaya%2C+Maria&rft.date=2019&rft.isbn=978-1-4503-7002-8&rft.title=Virtual+Avatars+as+a+tool+for+audience+engagement&rft.genre=bookitem