project time , cost and Resources

Compare and contrast two (2) well

known project management approaches. When
considering the differences between the two approaches, in what types of projects or
industries do these differences represent strengths or weaknesses? What are the
challenges a project manager faces when implementing the different approaches?
Use of references to support your discussion is required. As a rule of thumb, use
approximately one reference for every 200 words. However, it is not only about the
quantity, but more importantly about the quality of references you use. We expect to
see a quality academic journals and books in your reference list, particularly project
management literature.