Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OGAWA Masahiro and HORITA Tatsuya,Analysis of curators' viewpoint purposing development of web-based learning materials to cultivate observation skil,日本教育工学会大会講演論文集,,,2004-09-23,20,,327-328,https://cir.nii.ac.jp/crid/1570572700123467392,