@article{oai:hannan-u.repo.nii.ac.jp:00001801,
 author = {二塚, 正也},
 issue = {4},
 journal = {阪南論集 社会科学編, Bulletin of Hannan University Social science},
 month = {Mar},
 note = {P(論文)},
 pages = {p49--69},
 title = {ニッチ・マーケティングにおける市場調査・市場細分化調査について},
 volume = {22},
 year = {1987}
}