OCCF: A Framework for Developing Test Coverage Measurement Tools Supporting Multiple Programming Languages. - Kazunori Sakamoto; Kiyofumi Shimojo; Ryohei Takasawa; Hironori Washizaki; Yoshiaki Fukazawa (ICST, 2013)

Do Open Source Software Projects Conduct Tests Enough? - Ryohei Takasawa; Kazunori Sakamoto; Akinori Ihara; Hironori Washizaki; Yoshiaki Fukazawa (PROFES, 2014)