Romero Silva, Rafael. «Non-Linear Regressio Analysis for Unconstrained Optimization Using Numerical Differentiation». Rev. Téc. Fac. Ing. Univ. Zulia 5, no. 1 (1). Accedido julio 31, 2025. https://produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/4156.