2011-03-30 ■ memo http://www.ouj.ac.jp/hp/kamoku/H23/kyouyou/B/ippan_syakai/s_1122908.html http://ci.nii.ac.jp/els/110006990133.pdf?id=ART0008901002&type=pdf&lang=jp&host=cinii&order_no=&ppv_type=0&lang_sw=&no=1301454217&cp=