Hololingo! - A Game-Based Social Virtual Reality Application for Foreign Language Tandem Learning. - Timo Ahlers; Cassandra Bumann; Ralph Kölle; Milica Lazovic (DELFI, 2021)

Foreign Language Tandem Learning in Social VR. - Timo Ahlers; Cassandra Bumann; Ralph Kölle; Milica Lazovic (i-com, 2022)