@article{oai:gunma-u.repo.nii.ac.jp:00002244,
 author = {山口, 幸男},
 issue = {26},
 journal = {群馬大学教育実践研究},
 month = {Mar},
 note = {application/pdf, Departmental Bulletin Paper},
 pages = {1--7},
 title = {ヘットナーに関する地理教育論的考察},
 year = {2009}
}