References

https://wmich.edu/mus-theo/courses/keys.html
http://www.arttherapyblog.com/online/color-psychology-psychologica-effects-of-colors/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3743993/
https://www.color-meanings.com/how-does-color-affect-memory/
https://www.officemate.co.th/blog/https://www.bu.edu/articles/2016/human-brain-store-retrieve-memories
https://human-memory.net/memory-store
https://ngthai.com/science/19208/human-memory/
https://thematter.co/science-tech/how-we-had-learned-memory-throughout-centuries