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- [9] The value relevance of R&D across profit and loss firms[J] . Laurel Franzen,Suresh Radhakrishnan.Journal of Accounting and Public Policy . 2008 (1)
- [10] Research and Development Activity and Expected Returns in the United Kingdom[J] . A. Al-Horani,P. F. Pope,A. W. Stark.Review of Finance . 2003 (1)