@article{oai:sucra.repo.nii.ac.jp:00018240, issue = {7}, journal = {政策と調査}, month = {}, note = {text, application/pdf}, pages = {96--97}, title = {(付録)比較表 : ①携帯限定層の定義 ②カバレッジに及ぼす影響〔報告〕}, year = {2014} }