Mungkala, C., P. Bunpatcharacharoen, and J. Janwised. “SOLVE ONE-DIMENSIONAL OPTIMIZATION PROBLEMS USING NEWTON-RAPHSON METHOD”. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), vol. 8, no. 2, Dec. 2017, pp. 109-20, https://ph03.tci-thaijo.org/index.php/jnao/article/view/2860.