Ahmad M and B Bravo-Ureta (1996). “Technical Efficiency Measures for Dairy Farms Using Panel Data: A Comparison of Alternative Model Specifications.” JPA 7(4): 399-415.

Ahmad M and B Bravo-Ureta (1996). “Technical Efficiency Measures for Dairy Farms Using Panel Data: A Comparison of Alternative Model Specifications.” JPA 7(4): 399-415.

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