Jaforullah M and J Whiteman (1999). “Scale Efficiency in the New Zealand Dairy Industry: A Non-Parametric Approach.” Australian J Agricultural Economics 43(4): 523-541.
Jaforullah M and J Whiteman (1999). “Scale Efficiency in the New Zealand Dairy Industry: A Non-Parametric Approach.” Australian J Agricultural Economics 43(4): 523-541.