https://languageadvisor.net/25-group-icebreakers-warmers-fillers-and-coolers/?fbclid=IwAR2b_PSiDWN3GPtulErP5sit1A9pDJfCVe8MZ_DzP73KAKNM1wa-OPUEhkg
https://premiertefl.com/wp-content/uploads/2020/06/Warmers-FIllers-Coolers-1.pdf
https://www.cambridgeenglish.org/Images/594825-classroom-warmers-activity-booklet.pdf
