Ahya, Anugrah Vito, Cahya Rahmad, and Nurudin Santoso. “RANCANG BANGUN SISTEM PAKAR DETEKSI KERUSAKAN C CRANE PADA PT. SWADAYA GRAHA MENGGUNAKAN METODE CERTAINTY FACTOR”. Jurnal Informatika Polinema 3, no. 4 (August 1, 2017): 61. Accessed September 11, 2025. http://114.6.41.75/index.php/jip/article/view/2720.