000 00284nam a2200121Ia 4500
008 160930s9999 xx 000 0 und d
020 _a9788190274159
100 _aKoli, L. N.
245 _aResearch Methodology
260 _aAgra
_bY. K. Pub.
_c2013
300 _a230P.;18CM
942 _cBK
999 _c711
_d711