Social economic efficiency .
By: by Sven Svantesson ...
Published: 1931
Place of publication: Los Angeles
Language: eng
Number of pages: 10
Subjects: Labor; Industries
Notes: Multigraphed.

Microfilm. New York, N.Y., Columbia University Libraries, 1997. 1 microfilm reel, 35 mm.

Filmed; NEH Project (FMEST); 1997.