Rama Devi Tella. (2006). Access and use of grey literature in social sciences: Problems and prospects. Ess Ess Publicaions.
শিকাগো স্টাইলে সাইটেশনRama Devi Tella. Access and Use of Grey Literature in Social Sciences: Problems and Prospects. New Delhi: Ess Ess Publicaions, 2006.
এমএলএ সাইটেশনRama Devi Tella. Access and Use of Grey Literature in Social Sciences: Problems and Prospects. Ess Ess Publicaions, 2006.
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