00310nam a2200121 a 450000500170000002000150001708200190003210000190005124500320007026000310010230000270013370000280016020251203091246.0  a8185009279  a331.38163bSIN  aSingh,Surendra  aChild labour in agriculture  aLucknowbPrint Housec1987  aviii, 241p.c22cm.bHB  aVerma,Raj Bahadur Singh