Greg (FHI 360) Guest & Emily E. (FHI 360) Namey 
Public Health Research Methods [PDF ebook] 

Public Health Research Methods is a comprehensive collection of research methods used in the field of public health. This text is about providing researchers, and future researchers, with an up-to-date and comprehensive set of tools to investigate public health issues and problems, to ultimately better inform public health policy and practice. The contents of this book go beyond traditional epidemiologic approaches and cover the various research methods and technologies that are emerging in the new public health landscape.