Harahap, Dedy Saputra. “Sistem Pakar Menggunakan Metode Forward Chaining Dalam Perawatan Maternal”. Jurnal Sistim Informasi dan Teknologi 4, no. 4 (October 8, 2022): 155–160. Accessed January 11, 2026. http://www.jsisfotek.org/index.php/JSisfotek/article/view/150.