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Br.Purba DE, Simanjorang RM. Sistem Pakar Diagnosa Gangguan Pencernaan Pada Manusia Menggunakan Metode Certainty Factor. SAINTEK [Internet]. 2022Jan.21 [cited 2025Dec.31];3(2):36-42. Available from: http://ejournal.sisfokomtek.org/index.php/saintek/article/view/208