@inbook{FrieseJasper+2022+70+70,
url = {https://doi.org/10.1515/9783748606536-065},
title = {Zahlenspiel 2. Sunny Seeds 2},
booktitle = {Aktivieren mit Apps},
author = {Andrea Friese and Bettina M. Jasper},
publisher = {Vincentz Network},
address = {Hannover, Germany},
pages = {70--70},
doi = {doi:10.1515/9783748606536-065},
isbn = {9783748606536},
year = {2022},
lastchecked = {2026-05-04}
}