The twelve principles of efficiency /
Emerson, Harrington, 1853-1931
The twelve principles of efficiency / by Harrington Emerson - Reprint of the Sixth Edition - xviii, 423 pages ; 20 cm
0415092531 (Hardback)
Industrial efficiency
The twelve principles of efficiency / by Harrington Emerson - Reprint of the Sixth Edition - xviii, 423 pages ; 20 cm
0415092531 (Hardback)
Industrial efficiency