What Kinds of Refactorings are Co-Occurred? An Analysis of Eclipse Usage Datasets. - Tsubasa Saika; Eunjong Choi; Norihiro Yoshida; Akira Goto; Shusuke Haruna; Katsuro Inoue (IWESEP, 2014)

Revisiting the relationship between code smells and refactoring. - Norihiro Yoshida; Tsubasa Saika; Eunjong Choi; Ali Ouni 001; Katsuro Inoue (ICPC, 2016)

Do Developers Focus on Severe Code Smells? - Tsubasa Saika; Eunjong Choi; Norihiro Yoshida; Shusuke Haruna; Katsuro Inoue (PPAP@SANER, 2016)