Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Ishii Kaori and Sato Mai and Shibata Ai and Oka Koichiro,Perceived school physical activity environment and school physical activity among Japanese elementary school children,Japan Journal of Human Growth and Development Research,13408682,Japan Society of Human Growth and Development,2013,2013,59,1-11,https://cir.nii.ac.jp/crid/1390001205283364224,https://doi.org/10.5332/hatsuhatsu.2013.1