KITTILERTPAISAN, J.; KITTILERTPAISAN, K.; KHATIWAT, P. Technical Efficiency of Rubber Farmers’ in Changwat Sakon Nakhon: Stochastic Frontier Analysis. International Journal of Economics and Financial Issues, [S. l.], v. 6, n. 6S, p. 138–141, 2016. Disponível em: https://econjournals.com/index.php/ijefi/article/view/3144. Acesso em: 16 apr. 2024.