00300nam a2200109Ia 4500008004100000100004400041245006200085260001400147260001200161260000900173300000800182221231s9999    xx            000 0 und d  aSinha,P.R.N. and Indu bala sinha etal,. 0aIndustrial relations ,trade unions and labour legislation  aNew Delhi  bPearson  c2006  a632