00457nam a2200181Ia 4500008004100000020001800041041000800059082001600067100001600083245005200099250000600151260005100157300000800208365001200216650001500228650001600243650001600259140306s9999    xx            000 0 und d  a81 207 0837 7  aeng  a300bJOH/IN  aJohari, J C  aIntroduction tom the methods by social sciences  a1  aNew DelhibSterling Publishers Pvt. Ltdc 1988  a264  bRs .150  ahypothesis  aObservation  asystematism