@article{2022:ullmann:humor_ist_,
title = {Humor ist Chefsache},
year = {2022},
note = {},
journal = {ZUKUNFTS-HANDBUCH Kindertageseinrichtungen},
pages = {57--66},
author = {Ullmann, Eva and Seidler, Kareen},
volume = {28},
number = {3}
}