Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) HASEGAWA Risei and INOUE Mitsuru and OHKOSHI Kazuo,34 Effects of multiplication method on yield and quality in sweet potato virus-free seedlings multiplication,Kanto Journal of Crop Science,1341-6359,Crop Science Society of Japan kanto Branch,1997,12,0,94-95,https://cir.nii.ac.jp/crid/1390001205834604416,https://doi.org/10.20768/jcskanto.12.0_94