000 00276nam a2200121Ia 4500
003 IN-KoSCC
020 _cRs.550.00
100 1 _aDas, D. K. Lal
245 1 _aDesigns of social research
260 _aJaipur
_bRawat publication
_c2011
300 _axvi,318p.
_c21cm.
942 _cBK
999 _c11543
_d11543