1. Aigner, D.J., Lovell C.A.K. and Schmidt P., 1977. Formulation and estimation of stochastic frontier production function models, Journal of Econometrics, 6, 21--37.
2. Alhas-Eroglu, N. and Bozoglu, M., 2019. The effects of livestock supports and external input use on profitability of beef cattle farming: the case of Samsun Province, Turkey, Custos a Agronegócio, 15, 368--383.
3. Bahta, S. and Hikuepi, K., 2015. Measuring technical efficiency and technological gaps of beef farmers in three regions of Botswana: An application of Metafrontier Approach. 20th International Farm Management Congress, Québec (Canada), July 12–17. 44--60.
4. Bajrami, E., Wailes, E.J., Dixon, B.L., Musliu, A. and Durand-Morat, A., 2017. Factors affecting the technical efficiency of dairy farms in Kosovo, Journal of Central European Agriculture, 18, 823--840.
5. Battese, G.E. and Coelli, T.J., 1995. A model for technical inefficiency effects in a stochastic frontier production function for panel data, Empirical Economics, 20, 325--332.