This is to certify that Joyanta Chandra Mandal, Indranil Chatterjee, Sujoy Kumar Makar &Srabanti Khemka has published Research article entitled " DEVELOPMENT AND STANDARDIZATION OF TINNITUS SEVERITY INDEX QUESTIONNAIRE (TSIQ) IN BANGLA " in Asia pacific Journal of research (A Peer Reviewed International Journal), Vol - 1 Issue - LIII, , pp: 78-85.

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