Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SAKAGAWA Shigeru,Location and Utilization of Adult Education System in the U. K.,THE NEW GEOGRAPHY,05598362,The Geographic Education Society of Japan,1997,45,2,1-19,https://cir.nii.ac.jp/crid/1390282679317146368,https://doi.org/10.5996/newgeo.45.2_1