Learning Method Recommendation Based on VARK Model Using Certainty Factor Algorithm Izzu Zantya Fawwas, Casi Setianingsih, Fussy Mentari Dirgantara, Ari Cahya Saputra, Ariana Novanti, Muhammad Izzudin Islam, Agustio and Yusuf Sulle BIO Web Conf., 75 (2023) 01007 Published online: 15 November 2023 DOI: 10.1051/bioconf/20237501007