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Farm credit and co-operatives in India
Tirupati Naidu, V., (1968)
Co-operative movement and the weaker sections
Borkar, Vishnu V., (1989)
Co-operatives and rural development in India
Suresh, Koottungal Achuthan, (1990)
Yhteiskuntatilastollinen kartasto Suomen maalaiskunnista v. 1901
Gebhart, Hannes, (1908)