1. Ahmed GJU, Khan MA, Biswas JP, Islam MR, Islam MA (2004) Evaluation report integration of rice cum duck farming for resource poor farm households. A research project funded by Department for International Development (DFID) through PETRRA Agronomy Division Bangladesh Rice Research Institute
2. Anonymous. (2020) Kerala Agricultural University Agro-Infotech Portal: http://www.celkau.in/. Accessed 1 Jan 2020
3. Bhagaban K (2006) A training manual on polyculture and integrated fish farming. Assam Agricultural Competitiveness Project (AACP), Govt of Assam. College of Fisheries, Assam Agricultural University, Nagaon, Assam, India. Portal: https://docplayer.net/50822918-Polyculture-and-integrated-fish-farming.html. Accessed 2 July 2019
4. Biswas A (2015) Fish duck integrated farming. Portal: https://www.researchgate.net/publication/287595864_Fish_Duck_Integrated_Farming. Accessed 2 Apr 2019
5. Cagauan AG, Branckaert RD, Van Hove C (2000) Integrating fish and azolla into rice-duck farming in Asia. Naga, The International Center for Living Aquatic Resources Management, 23, 4–10. Portal: http://www.worldfishcenter.org/Naga/na_2359.pdf. Accessed 27 Sept 2019