Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIMIZU Toshiyuki and YAMADA Kiyoshi,ANALYSIS OF WATER USAGE BY WEB QUESTIONNAIRE SURVEY AND LONG TIME CHANGES OF WATER DEMAND STRUCTURE,"Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research)",2185-6648,Japan Society of Civil Engineers,2020,76,6,II_355-II_364,https://cir.nii.ac.jp/crid/1390287297546221952,https://doi.org/10.2208/jscejer.76.6_ii_355