1. 1) Ministry of Education, Culture, Sports, Science and Technology; The setting situation of air conditioning facilities onto public school facilities, Press releases of MEXT, 2020.9 (in Japanese) 文部科学省；公立小中学校のの空調（冷房）設備率の推移 https://www.mext.go.jp/content/20210316-mxt_sisetujo-000013462_02.pdf, (参照2020.5.30)
2. 2) Taemi Gohara and Go Iwashita, Field Study on the indoor air quality in elementary schools in Kagoshima city (Part1 VOCs concentrations in elementary schools), Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ), No.553,63-70, 2002.3 (in Japanese) 合原妙美, 岩下剛；鹿児島市内の小学校における室内空気環境実測（その 1 小学校教室における揮発性有機化合物の濃度）, 日本建築学会計画系論文集, 第 553 号, 63-70, 2002.3
3. 3) Taemi Gohara and Go Iwashita, Field Study on the indoor air quality in elementary schools in Kagoshima city (Part2 CO2 concentrations and window opening in the sixth graders’ classroom), Journal of Architecture, Planning and Environmental Engineering (Transactions of AIJ), No.559,29-36, 2002.9 (in Japanese) 合原妙美, 岩下剛；鹿児島市内の小学校における室内空気環境実測（その２ 小学校高学年教室における二酸化炭素濃度と開口部開閉状況）, 日本建築学会計画系論文集, 第 559 号, 29-36, 2002.9
4. 4) Takashi Kurabuchi, Yukari Iino, Tomofumi Kawase, Air Quality, thermal environment and thermal environmental evaluations in elementary school classrooms equipped with cooling systems in mild climate areas, Journal of Environmental Engineering (Transactions of AIJ), Vol.74 No.641,893-899, 2009.7 (in Japanese) 倉渕隆, 飯野由香利, 川瀬智文, 温暖地域のおける冷房機器のある小学校普通教室の空気・温熱環境と温熱環境評価, 日本建築学会環境系論文集, 74 巻, 第 641 号, 893-899, 2009.7
5. 5) Ministry of Education, Culture, Sports, Science and Technology; (A notice) A simultaneous temporary school closing in elementary, secondary, high school and special support education schools for infection control measures of COVID-19 (in Japanese) 文部科学省；新型コロナウイルス感染症対策のための小学校, 中学校, 高等学校及び特別支援学校等における一斉臨時休業について（通知）, https://www.mext.go.jp/a_menu/coronavirus/mext_00006.html （ 参 照2020.2.28）