000
00247nam a2200109Ia 4500
008
220201s2013 xx 000 0 eng d
100
_a
ILO
245
0
_a
Intoduction Work Study
260
_a
New Delhi
_b
Oxford
_c
2013
300
_a
390
942
_2
ddc
999
_c
66135
_d
66135