Chathuranga, C.D.2016-03-082016-03-082016Chathuranga, C.D. 2016. සංඛ්‍යාන විද්‍යාවේ ඉතිහාසය හා එහි විකාශනය. Felicitation Volume of Senior Professor Prema Podimenike, Department of Economics, University of Kelaniya, Kelaniya. pp 232-235.978-955-4563-71-1http://repository.kln.ac.lk/handle/123456789/12075enArticle