%A Okuma, K. %T Studies of the Cultural Area in the World History %J 社会科研究 %0 Journal Article %@ 0289856X %I Japanese Educational Research Association for the Social Studies (JERASS) %D 1972 %8 1972-03-25 %V %N 20 %P 85-91 %U http://ci.nii.ac.jp/naid/110007867432/en/ %R