1. 2010, Apache open office refactoring guidelines.
2. Empirical investigation of refactoring effect on software quality;Alshayeb;Inf. Softw. Technol.,2009
3. Old habits die hard: why refactoring for understandability does not give immediate benefits;Ammerlaan,2015
4. Lightweight detection of program refactorings;Atkinson,2005
5. The missing links: bugs and bug-fix commits;Bachmann,2010