SISTEM PAKAR DIAGNOSIS PENYAKIT MENGGUNAKAN BACKWARD & FORWARD CHAINING DAN TEOREMA BAYES (STUDI KASUS: GANGGUAN JIWA) MEDICAL DIAGNOSIS -- AN EXPERT SYSTEM USING BACKWARD & FORWARD CHAINING AND BAYES THEOREM (CASE STUDY: MENTAL DISORDER) - NISA FADILA QORINA (Universitas Telkom, 2006)