Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ,A Voice Instruction Learning System using GSOM with Asymmetric Neighborhood Function,The Proceedings of The 2nd International Conference on Innovative Application Research and Education (ICIARE 2014),,,2014,CD-ROM,,72-75,https://cir.nii.ac.jp/crid/1010282257267951105,