A comparison study between different kernel functions in the least square support vector regression model for penicillin fermentation processJameson Malang, Wan Sieng Yeo, Zhen Yang Chua, Jobrun Nandong and Agus SaptoroMATEC Web Conf., 377 (2023) 01025DOI: https://doi.org/10.1051/matecconf/202337701025