MS PM collection 4

MS PM collection 3

MS PM collection 2

MS PM collection 1

User stories best practices

http://www.romanpichler.com/blog/10-tips-writing-good-user-stories/

https://help.rallydev.com/writing-great-user-story

https://www.mountaingoatsoftware.com/agile/user-stories

http://www.agilemodeling.com/artifacts/userStory.htm

https://www.scrumalliance.org/community/articles/2011/august/5-common-mistakes-we-make-writing-user-stories

https://www.scrumalliance.org/community/articles/2013/september/agile-user-stories