Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Watanabe Satomi and Wakuta Ryoichi,Survey of Customer Satisfaction to Achieve Royalty Improvement : Vital Point to Grip Customer's Real Intention(Project Quality and Customer Satisfaction),Journal of the Society of Project Management,1345031X,The Society of Project Management,2013,15,5,22-24,https://cir.nii.ac.jp/crid/1390001206111043840,https://doi.org/10.14914/spmj.15.5_22