Ginantra, N. L. W. S. R. and Sandi, V. A. (2018) “Sistem Pakar Diagnosa Error Sistem Pada “PT. Danaco Global Solusi – OXY System” Menggunakan Metode Certainty Factor Berbasis Web”, SINTECH (Science and Information Technology) Journal, 1(1), pp. 61-69. doi: 10.31598/sintechjournal.v1i1.227.