Gangwar, B., Kuruvilla Varughese, Jacob John, & Rani, B. (2010). Manual on integrated farming systems: Proceedings of the launching workshop of integrated farming systems-cum-group meeting of scientists of AICRP on IFS held at Thiruvananthapuram,Kerala,from sixth to ninth March,2010. Cropping Systems Research Centre, Project Directorate for Farming Systems Research.

Gangwar, B., Kuruvilla Varughese, Jacob John, và B. Rani. Manual on Integrated Farming Systems: Proceedings of the Launching Workshop of Integrated Farming Systems-cum-group Meeting of Scientists of AICRP on IFS Held at Thiruvananthapuram,Kerala,from Sixth to Ninth March,2010. Thiruvananthapuram and Meerut: Cropping Systems Research Centre, Project Directorate for Farming Systems Research, 2010.

Gangwar, B., et al. Manual on Integrated Farming Systems: Proceedings of the Launching Workshop of Integrated Farming Systems-cum-group Meeting of Scientists of AICRP on IFS Held at Thiruvananthapuram,Kerala,from Sixth to Ninth March,2010. Cropping Systems Research Centre, Project Directorate for Farming Systems Research, 2010.