1. Andrews , P. Manandhar , S. 2009 Proceedings from the AISB Convention http://www.aisb.org.uk/convention/aisb09/Proceedings/PERSUASIVE/FILES/AndrewsP.pdf
2. Does self-other agreement on leadership perceptions moderate the validity of leadership and performance predictions;Atwater;Personnel Psychology,1992
3. Leadership competencies: Time to change the tune;Bolden;Leadership,2006
4. Brookhart , S. M. 2013 How to create and use rubrics for formative assessment and grading http://www.ascd.org/publications/books/112001/chapters/What-Are-Rubrics-and-Why-Are-They-Important%C2%A2.aspx
5. Brown University Grading rubrics: Sample scales https://www.brown.edu/about/administration/sheridan-center/teaching-learning/assessing-student-learning/rubrics-scales