000 00295nam a2200121Ia 4500
008 190711s9999 xx 000 0 und d
082 _a658.54 D139
100 _aDALELA,S
245 0 _aELEMENTS OF WORK STUDY
260 _aDELHI
_bStandard Publishers
_c1971
300 _a22X14
942 _cBK
_2DDC
999 _c15507
_d15507