Submitted on: 27 December 2012.
Revised on: 16 April 2013.
Accepted on: 14 June 2013.
___________________Indian Journal of Traditional Knowledge
Submitted on: 19 March 2011.
Revised on: 12 May 2011.
Accepted on: 06 July 2011.
___________________Indian Journal of Traditional Knowledge
Submitted on: 07 September 2002.
Revised on: 12 October 2002.
Accepted on: 30 November 2002.
___________________Indian Journal of Traditional Knowledge
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