著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Madhumita Guha Majumder and Sangita Dutta Gupta and Justin Paul,Perceived usefulness of online customer reviews: A review mining approach using machine learning & exploratory data analysis,Journal of Business Research,0148-2963,Elsevier BV,2022-11,150,,147-164,https://cir.nii.ac.jp/crid/1360017285975170944,https://doi.org/10.1016/j.jbusres.2022.06.012