[2]
G. E. Battese,T. J. Coelli.Frontier production functions, technical efficiency and panel data: With application to paddy farmers in India[J].Journal of Productivity Analysis,1992(1)
[2]
G. E. Battese,T. J. Coelli.Frontier production functions, technical efficiency and panel data: With application to paddy farmers in India[J].Journal of Productivity Analysis,1992(1)