Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takeda N. and Ishizeki Y. and Aoki S. and Iriya K.,Development of Concrete Made with Seawater and Un-washed Sea Sand,Concrete Journal,03871061,Japan Concrete Institute,2011,49,12,12_17-12_22,https://cir.nii.ac.jp/crid/1390282679519181568,https://doi.org/10.3151/coj.49.12_17