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Prior content in this article duplicated one or more previously published sources. The material was copied from: http://people.juniv.edu/people.php?pid=mamunphys. Copied or closely paraphrased material has been rewritten or removed and must not be restored, unless it is duly released under a compatible license. (For more information, please see "using copyrighted works from others" if you are not the copyright holder of this material, or "donating copyrighted materials" if you are.) For legal reasons, we cannot accept copyrighted text or images borrowed from other web sites or published material; such additions will be deleted. Contributors may use copyrighted publications as a source of information, but not as a source of sentences or phrases. Accordingly, the material may be rewritten, but only if it does not infringe on the copyright of the original orplagiarize from that source. Please see our guideline on non-free text for how to properly implement limited quotations of copyrighted text. Wikipedia takes copyright violations very seriously, and persistent violators will be blocked from editing. While we appreciate contributions, we must require all contributors to understand and comply with these policies. Thank you. 84user (talk) 14:01, 25 July 2012 (UTC)
Details: This edit added text exactly identical to text from , which was marked copyright 2011 Jahangirnagar University. However, I believe since that edit all of the copied text appears to have been removed or substantially reworded. According to Wikipedia:Copyright violations I have subst'ed the cclean template to the top of this talk page section. -84user (talk) 14:01, 25 July 2012 (UTC)