Elements of supervision /
Spriegel, William R. 1893-1972.
Elements of supervision / William R. Spriegel, Edward Schulz [and] William B. Spriegel. - 2d ed. - New York ; London : Wiley, c1957[printed 1960] - xii, 349 p. : 23 cm.
Personnel management.
658.3 / SPE 1960
Elements of supervision / William R. Spriegel, Edward Schulz [and] William B. Spriegel. - 2d ed. - New York ; London : Wiley, c1957[printed 1960] - xii, 349 p. : 23 cm.
Personnel management.
658.3 / SPE 1960