000 00275nam a22000977a 4500
008 160211b xxu||||| |||| 00| 0 eng d
022 _a1391-8168
245 _aගවේෂණ
_hසිංහල
260 _aColombo
_bResearch and Development Institute
_c2015
942 _2ddc
_cP
_s1
999 _c46668
_d48215