Physicists Find Particles That Switch Between Matter and Antimatter
https://www.sciandnature.com/2022/02/physicists-find-particles-that-switch.html?fbclid=IwAR0rhZoFUIFZKjgumqKtVpZUc_Ku-kQm1E80h_0JjvApJKNYmsPOatrlzNM
DISCUSSION OF PROBABILITY RELATIONS BETWEEN SEPARATED SYSTEMS B Y E. SCHRODINGER
http://verga.cpt.univ-mrs.fr/pdfs/Schrodinger-1935.pdf
WJEC GCE AS/A Level in FURTHER MATHEMATICS
https://www.wjec.co.uk/umbraco/surface/blobstorage/download?nodeId=8000
Teachers and too much homework contribute to maths anxiety – study
https://www.theguardian.com/education/2022/feb/07/teachers-and-too-much-homework-contribute-to-maths-anxiety-study