Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) H. Sato and J. Tsuda and Masayuki Hirayama and Yamada Atsushi,Practice of quality modeling and measurement on software life-cycle,[1990] Proceedings. 12th International Conference on Software Engineering,,IEEE Comput. Soc. Press,2002-12-04,,,98-107,https://cir.nii.ac.jp/crid/1871991018120849792,https://doi.org/10.1109/icse.1990.63607