Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HIRAMATSU Reiji,A Study on Current Situations and Problems of Advertisements and Public Relations in National Government Parks,Journal of The Japanese Institute of Landscape Architecture,13408984,Japanese Institute of Landscape Architecture,2013,76,5,521-526,https://cir.nii.ac.jp/crid/1390282680647748352,https://doi.org/10.5632/jila.76.521