Outside of college and classes, one way to boost your knowledge about anything would be to do internships. Textbooks can give you a certain amount of knowledge but you will only truly get into understanding the essence of the field by working in it and for that, internships are great. If you particularly want to know more about marketing, do internships like PR, HR and online reputation management. There are also internships like digital marketing, etc. You can check out internships from Interestopedia where they offer multiple internships in different fields. You can also contact them for any career guidance. https://www.interestopedia.org/
Outside of college and classes, one way to boost your knowledge about anything would be to do internships. Textbooks can give you a certain amount of knowledge but you will only truly get into understanding the essence of the field by working in it and for that, internships are great. If you particularly want to know more about marketing, do internships like PR, HR and online reputation management. There are also internships like digital marketing, etc. You can check out internships from Interestopedia where they offer multiple internships in different fields. You can also contact them for any career guidance. https://www.interestopedia.org/