00339nam a2200109Ia 4500008004100000040003800041100003200079245003200111260004000143300001600183653003000199211228s9999    xx            000 0 und d  cJayakar Knowledge Resource Centre  aAdvances In Social Research 0aAdvances in social research  bConstable and Co. LtdaLondonc1973  aix, 460p p.  aSocial sciences- research