Marketing

https://www.investopedia.com/terms/m/marketing.asp
https://www.ama.org/the-definition-of-marketing-what-is-marketing/

'Marketing Mix'

https://economictimes.indiatimes.com/definition/marketing-mix
https://www.angle180.com/insights/4-ps-marketing-mix#:~:text=The%20essential%20base%20ingredients%20of,%2C%20Price%2C%20Place%20and%20Promotion.&text=PRICE%20is%20the%20cost%20people,%2C%20healthcare%2C%20etc.).

Consumer Decision-Making Process

https://www.lucidchart.com/blog/consumer-decision-making-process

https://blog.alexa.com/market-each-stage-buying-decision-process/