Fulginiti LE and RK Perrin (1997). “Ldc Agriculture: Nonparametric Malmquist Productivity Indexes.” J Development Economics 53(2): 373-390.

Fulginiti LE and RK Perrin (1997). “Ldc Agriculture: Nonparametric Malmquist Productivity Indexes.” J Development Economics 53(2): 373-390.

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