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1.	Image from Amazon.com	Agricultural productivity: Measurement and sources of growth by Ball, V. Elton (ed) Norton, George W (ed) Series: Studies in productivity and efficiency Material type: Text Publication details: Boston Kluwer 2002 Availability: Items available for loan: IGIDR (1)Collection, call number: 338.160973/BAL. Found in Open Library: Place hold Save to lists
2.	Image from Amazon.com	New directions: Efficiency and productivity by Fare, Rolf Grosskopf, Shawna Series: Studies in productivity and efficiency Material type: Text Publication details: Boston Kluwer 2004 Availability: Items available for loan: IGIDR (1)Collection, call number: 338.06/FAR. Found in Open Library: Place hold Save to lists
3.	Image from Amazon.com	Aggregation, efficiency, and measurement. ed. by Rolf Fare; by Fare, Rolf (ed) Primont, Daniel (ed) Grosskopf, Shawna (ed) Series: Studies in productivity and efficiency Material type: Text Publication details: Berlin-Verlag Springer 2007 Availability: Items available for loan: IGIDR (1)Collection, call number: 338.06/FAR. Found in Open Library: Place hold Save to lists
4.	Image from Amazon.com	The Economic impact of public support to agriculture : An International perspective / Ed. by V. Eldon Ball, Roberto Fanfani and Luciano Gutierrez by Ball, V. Eldon [Ed.] Fanfani, Roberto [Ed.] Gutierrez, Luciano [Ed.] Series: Studies in productivity and efficiency ; 7 Material type: Text Publication details: New York Springer-Verlag 2010 Availability: Items available for loan: IGIDR (1)Collection, call number: 338.1 BAL. Found in Open Library: Place hold Save to lists