A. V. Soares Alves, N. Silva Soares, E. Pinheiro de Sousa, and S. J. Moquete Guzmán, “Technical efficiency and the scale of sisal production in the state of Bahia (Brazil)”, Apuntes, vol. 44, no. 81, pp. 39–65, Oct. 2017, doi: 10.21678/apuntes.81.805.