Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HATA Tsukasa and YAMASHITA Akio and MIYAOKA Kunihide and YOSHIDA Keiichiro and Marcelo Eduardo Alves OLINDA and Armando Hideki SHINOHARA and Frederico Dias NUNES and ONO Ayako,"Hydrological environment and human activities in Sertão, Brazil (6)",Proceedings of the General Meeting of the Association of Japanese Geographers,,The Association of Japanese Geographers,2017,2017s,0,100133,https://cir.nii.ac.jp/crid/1390282680671106560,https://doi.org/10.14866/ajg.2017s.0_100133