000 00293nam a2200133Ia 4500
008 211209s1977 xx 000 0 und d
041 _aeng
082 _a658.542 N77 SUR
100 _aSURESH DALELA
245 _aELEMENTS OF WORK STUDY
250 _a2 ed.
260 _c1977
300 _a395
999 _c16013
_d16013