There is a wealth of information for the student of media management available on this site.
Start by looking at operational essentials, this provides some generic tools and techniques that will lead you onto more specific themes and subjects areas.
The PeopleMax Index is a good place to start – it provides a health check on your organisation or the one you are examining as a consultant or student of management.
An analysis of the business, using whatever tool or technique you choose will help frame your approach.