1. An integrated measure of software maintainability;Aggarwal,2002
2. Ambler, S.W., Vermeulen, A., Bumgardner, G., 1999. The elements of java style.
3. The commenting practice of open source;Arafat,2009
4. Random forests;Breiman;Mach. Learn.,2001
5. Automatically detecting the scopes of source code comments;Chen,2018