1. 1) Ministry of Internal Affairs and Communications: Teleworking: WHITE PAPER Information and Communications in Japan, 200 7, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h19/pdf/19honpen.pdf (accessed 2021.11.07) (in Japanese) 総務省:平成 19 年版 情報通信白書, 2007, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h19/pdf/19honpen.pdf(参照 2021.11.07)
2. 2) Economic Research Office, International Policy Coordination Bureau, Ministry of Internal Affairs and Communications: Report on Survey Research on Telework Trends and Productivity, 2010.03, https://www.soumu.go.jp/johotsusintokei/linkdata/h22_06_houkoku.pdf (accessed 2021.10.13) (in Japanese) 総務省 情報通信国際戦略局 情報通信経済室: テレワークの動向と生産性に関する調査研究 報告書, 2010.03, https://www.soumu.go.jp/joh otsusintokei/linkdata/h22_06_houkoku.pdf(参照 2021.10.13)
3. 3) Ministry of Internal Affairs and Communications: Teleworking: WHITE PAPER Information and Communications in Japan, 2018, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h30/pdf/30honpen.pdf (accessed 2021.10.13) (in Japanese) 総務省:平成 30 年版 情報通信白書, 2018, https://www.soumu.go.jp/johotsusintokei/whitepaper/ja/h30/pdf/30honpen.pdf(参照 2021.10.13)
4. 4) Ministry of Land, Infrastructure, Transport and Tourism, Urban and Regional Development Bureau, City / Regional Policy Division: Telework Population Survey -Summary of Survey Results-, 2011.02, http://www.mlit.go.jp/crd/daisei/telework/22telework_jinko_jittai_gaiyo.pdf (accessed 2021.10.27) (in Japanese) 国土交通省 都市・地域整備局 都市・地域政策課: 平成 22 年度 テレワーク人口実態調査 －調査結果の概要－, 2011.02, http://www.mlit.go.jp/crd/daisei/telework/22telework_jinko_jittai_gaiyo.pdf(参照 2021. 10.27)
5. 5) TELEWORKDAYS: TELEWORKDAYS 2020, https://teleworkdays.go.jp/2020/ (accessed 2021.12.02) (in Japanese) TELEWORKDAYS: テレワーク・デイズ 2020, https://teleworkdays.go.jp/2020/(参照 2021.12.02)