000 00244nam a22001097a 4500
082 _a371.425
_bHOP.O
100 _aHOPPOCK,R
245 _aOCCUPATIONAL INFORMATION
260 _aNEW DELHI:
_bMc GRAWHILL,
_c1957.
300 _a534p.
942 _cBK
999 _c326570
_d326570