RUMAPEA, Y. Y.; YOHANNA, M. Sistem Pakar Jenis Ulos di Acara Adat Batak Toba Menggunakan Metode Forward Chaining. Jurnal Teknik Informatika dan Sistem Informasi, Jakarta, Indonesia, v. 4, n. 3, p. 453–464, 2018. Disponível em: http://114.7.153.31/index.php/jutisi/article/view/1481. Acesso em: 26 dec. 2024.