Hui Liu Limei Yang Zhendong Niu Zhiyi Ma Weizhong Shao Facilitating software refactoring with appropriate resolution order of bad smells. 265-268 2009 ESEC/SIGSOFT FSE http://doi.acm.org/10.1145/1595696.1595738 conf/sigsoft/2009 db/conf/sigsoft/fse2009.html#LiuYNMS09