Syahreza, R.A., Hutahaean, J. and Afrisawati, A. 2023. IMPLEMENTATION OF CERTAINTY FACTOR METHOD IN PEST AND DISEASE DIAGNOSIS IN HYDROPONIC PLANTS . Jurnal Teknik Informatika (Jutif). 4, 1 (Feb. 2023), 235-246. DOI:https://doi.org/10.52436/1.jutif.2023.4.1.531.