@article{oai:nagano.repo.nii.ac.jp:00000851,
 author = {菅沼, 正久},
 issue = {4},
 journal = {長野大学紀要, ACADEMIC BULLETIN OF NACANO UNIVERSITY},
 month = {May},
 note = {application/pdf},
 pages = {105--117},
 title = {兼業農家の統計的考察},
 volume = {5},
 year = {1984}
}