00601cam a2200181 4500 20181210004849.0 720627s1971 nyu 001 0 eng DLC DLC BD-DhBPA 658 SIM 1971 Sibson, Robert Earl 1925- 60162 Managing professional services enterprises : the neglected business frontier / [by] Robert E. Sibson. New York : Pitman Pub. Corp. , [1971] . ix, 214 p. ; 25 cm. Index present. Al Amin Service industries Management. 60163 ddc BK 20673 20673 0 ddc 0 0 BPATC BPATC GEN 2018-04-13 0 658 SIM 1971 26700 2018-04-13 00:00:00 2018-04-13 BK Al Amin