Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Sakakibara Masaaki and Tachibana Ryoichi and Matsumoto Noriko,Design of a Computer Program for Specifying Water Sampling Sites,Computer & Education,21862168,CIEC,1998,4,0,75-81,https://cir.nii.ac.jp/crid/1390282680721193088,https://doi.org/10.14949/konpyutariyoukyouiku.4.75