Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KUWAZAWA Shohei and SAKAI Aya,A STUDY ON EFFECTS OF THE SAPPORO CITY ORDINANCE FOR THE GREEN MAINTENANCE AND CREATION,AIJ Journal of Technology and Design,13419463,Architectural Institute of Japan,2016,22,50,309-312,https://cir.nii.ac.jp/crid/1390282680150947200,https://doi.org/10.3130/aijt.22.309