000 00336nam a2200145Ia 4500
008 241226s9999 xx 000 0 und d
020 _a9789351501336
082 _a615
_bRAN
100 _aRanjit Kumar
245 0 _aResearch methodology
260 _aDelhi :
_bSage Pub,
_c2014.
300 _a399
365 _a468
650 _aCology
999 _c197515
_d197515