Measurable Value with Agile - http://accu.org/index.php/journals/1534

Why you should (and shouldn’t) track time - http://blog.wearemammoth.com/2011/03/ways.html

Discussion of LOC measurement - http://www.codinghorror.com/blog/archives/000637.html

Three signs your team needs Engineering Metrics ASAP - https://medium.com/sourcelevel/three-signs-your-team-needs-engineering-metrics-asap-387270db00cc