M. A. Martinez Damian, S. . Rebollar-Rebollar, J. . Hernández-Martínez, and P. . Hernández-Aguirre, “Economic optimum in a bivariate Cobb-Douglas function: an application to semi-extensive beef farming”, Remexca, vol. 12, no. 8, pp. 1517–1523, Dec. 2021, doi: 10.29312/remexca.v12i8.2915.