Hidayat, Karno Saputra, et al. “Expert System in Determining Disorders of Children With Special Needs at SLBN 1 Bengkulu City Using the Certainty Factor Method”. Jurnal Komputer, Informasi Dan Teknologi, vol. 2, no. 2, Dec. 2022, pp. 593–598, doi:10.53697/jkomitek.v2i2.1036.