Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YAMASHITA Akio and HATA Tsukasa and MIYAOKA Kunihide and YOSHIDA Keiichiro and OLINDA Marcelo Eduardo Alves and SHINOHARA Armando Hideki and NUNES Frederico Dias and ONO Ayako,"Hydrological environment and human activities in Sertão, Brazil (7)",Proceedings of the General Meeting of the Association of Japanese Geographers,,The Association of Japanese Geographers,2017,2017s,0,100137,https://cir.nii.ac.jp/crid/1390282680671103616,https://doi.org/10.14866/ajg.2017s.0_100137