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https://www.abdn.ac.uk/iahs/profiles/s.bhattacharya/?page=35&count=25 Professor Siladitya Bhattacharya | The University of Aberdeen the university professor bhattacharya aberdeen https://forbesjapan.com/author/detail/2087 Siladitya Ray | Forbes JAPAN 公式サイト（フォーブスジャパン） siladitya ray forbes japan