00405nam a2200157 4500 2540 2540 200309b ||||| |||| 00| 0 eng d 0273316680 658.5421 D141 2131 Dales, Harold E. Work measurement / 1st ed. London Pitman 1972 xii, 353 p. Work measurement ddc BK 0 0 ddc 0 658_542100000000000_D141 0 7206 CL CL 2020-03-09 658.5421 D141 04804 2020-03-09 BK