000 00656 a2200217 4500
999 _c50927
_d52474
003 ISURa
008 140924b xxu||||| |||| 00| 0 eng d
020 _a9789555844819
041 _aSinhala
082 _a001.42
_bABE
100 _aAbepala , Roland
_916346
245 _aපර්යේෂණ ක්‍රමවිද්‍යාව නියැදිකරණය
260 _c2004
_aKottawa
_bSara Prakashana
_g2004
300 _c22 cm.
_a80 p.
650 _aSampling - Research
_961704
650 _aResearch Methods - Research
_961705
650 _aResearch Methodology
_91495
650 _aGeneralities
_960
700 _961699
942 _cLN
_2ddc