WASET
    Jesús Everardo Olguín Tiznado and  Rafael García Martínez and  Claudia Camargo Wilson and  Juan Andrés López Barreras and 
Everardo Inzunza González and  Javier Ordorica Villalvazo,  Effect of Size of the Step in the Response Surface Methodology using Nonlinear Test Functions.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2012, vol. 66(6). 1091 - 1096
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/3567.