Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Otsuka Takahide,USA Trends (6) “Job Situation between Us and Japan”,Seikei-Kakou,0915-4027,The Japan Society of Polymer Processing,2011-02-20,23,3,170-171,https://cir.nii.ac.jp/crid/1390005506401903872,https://doi.org/10.4325/seikeikakou.23.170