Rao, Conjeeveram Hayavadana; Rice, Benjamin Lewis (1930). Mysore Gazetteer. Government Press. p. 519. chola manipallavam.
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Godwin Witane . (2003). The growth of the cobra cult in Sri Lanka kuhanjith and indrajith ruled kingdoms of srilanka. Available: "Online edition of Sunday Observer - Business". Archived from the original on 8 October 2003. Retrieved 9 May 2016.. Last accessed 7 March 2010.
Godwin Witane . (2003). The growth of the cobra cult in Sri Lanka kuhanjith and indrajith ruled kingdoms of srilanka. Available: "Online edition of Sunday Observer - Business". Archived from the original on 8 October 2003. Retrieved 9 May 2016.. Last accessed 7 March 2010.