Chellew, Henry
VIAF ID: 117785358 ( Personal )
Permalink: http://viaf.org/viaf/117785358
Preferred Forms
- 100 1 _ ‡a Chellew, Henry
Works
Title | Sources |
---|---|
Concentration and the laws of mental efficiency | |
Human & industrial efficiency |
Title | Sources |
---|---|
Concentration and the laws of mental efficiency | |
Human & industrial efficiency |