Job instruction
By: by Vernon G. Schaefer ... Prepared under the direction of the Division of Central Extension, the Pennsylvania State College.
Contributors: Pennsylvania State College. General Extension.
Series: The Pennsylvania State College. Industrial series
Publisher: McGraw-Hill Book Company, inc.
Published: 1943
Place of publication: New York; London
Language: eng
Number of pages: 316
Subjects: Employees -- Training of.
Notes: Series title in part at head of t.-p.