@article{oai:rikkyo.repo.nii.ac.jp:00002325,
 author = {坂本, 恒夫 and Sakamoto, Tsuneo},
 issue = {3},
 journal = {立教經濟學研究},
 month = {},
 note = {P(論文)},
 pages = {19--37},
 title = {企業集団研究方法序説},
 volume = {47},
 year = {1994}
}