General Books publication date: 2009 Original publication date: 1912 Original Publisher: G. P. Putnam Subjects: Ability Mental efficiency Psychology Education / Testing
Product Identifiers
Publisher
General Books LLC
ISBN-10
1151086967
ISBN-13
9781151086969
eBay Product ID (ePID)
116216170
Product Key Features
Book Title
Human Efficiency; a Psychological Study of Modern Problems