The following resource provides 5 mechanisms to implement marketing controls to assess the efficacy of the marketing plan.  While these are good options, perhaps there are others.  Provide a discussion of at least one additional marketing control that is missing in this list that you may use in your work or business.  Cite example of how the marketing control works or applies.  Read the following post by clicking on the link:

https://smallbusiness.chron.com/five-major-marketing-control-techniques-40619.html

only use source provided.