http://ocw.jhsph.edu/index.cfm/go/viewCourse/course/UnderstandingCostEffectiveness/coursePage/lectureNotes/ http://ocw.jhsph.edu/index.cfm/go/find.browse#courses Simply explained CBA https://www.youtube.com/watch?v=ZAh3jCaca98 CEA (detail) https://www.youtube.com/watch?v=b9PHwhyxIQI&list=PLPdSQGGMt89e4_ObAbU8F8ZASfgAoNVH9