1. Energy Digest: Report of All India Co-ordinated Research Project on Energy Requirements in Agricultural Sectors;Anonymous,1996
2. Package of Practices for Kharif Crops of Assam;Anonymous,1998
3. Energy Use Scenario and Future Demand for Crop Production in Assam. Final Report of All India Co-ordinated Research Project on Energy Requirements in Agricultural Sectors;Anonymous,2001
4. Anonymous, 2005. India's Best & Worst States. India Today August 15, 30–49.
5. Puddling, irrigation, and transplanting-time effects on productivity of rice–wheat system on a sandy loam soil of Punjab, India;Arora;Soil & Tillage Research,2006