@article{oai:repository.lib.tottori-u.ac.jp:00000986,
 author = {小山, 直樹 and Koyama, Naoki},
 issue = {2},
 journal = {鳥取大学教育学部研究報告. 教育科学, The journal of the Faculty of Education. Educational science},
 month = {Dec},
 pages = {177--201},
 title = {発達段階に応じた社会科総合学習の実験・実証的研究 : 小学校中学年ゴミ学習の場合},
 volume = {22},
 year = {1980},
 yomi = {コヤマ, ナオキ and コヤマ, ナオキ}
}