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020			_a9789550762330
041			_aen
082			_a300.72
100			_aUyangoda Jayadeva
245		0	_aSocial Recearch
260			_aSriLanka _bSocical Scientists Associatio _cn 2015
300			_avii,656p.
942			_cLL
999			_c38202 _d38202