Bayu Sentosa, Rio, and Yeviki Maisyah Putra. “Implementation of an Expert System in Diagnosing Crab Disease Using the Web-Based Certainty Factor Method”. Journal of Computer Science and Informatics Engineering , vol. 1, no. 1, Jan. 2022, pp. 47-53, doi:10.55537/cosie.v1i1.101.