Dwivedi, Krishna Datta Auodyogika evam vyavasayika manovijnana - Lucknow Uttar Pradesh Hindi Granth Akademi - 506p 21cm - Uttar Pradesh Hindi granth academi prakashan no. 112 . Bibliography: p473-80, Includes index Subjects--Index Terms: INDUSTRIAL PSYCHOLOGY Dewey Class. No.: 158.7 / DWI