Hendratama Jr., Friesky Christian, and Chairisni Lubis. “SISTEM PAKAR MENDETEKSI BIBIT SAPI UNGGUL DENGAN METODE CERTAINTY FACTOR”. Jurnal Ilmu Komputer dan Sistem Informasi 9, no. 1 (January 18, 2021): 79–84. Accessed December 24, 2025. https://journal.untar.ac.id/index.php/jiksi/article/view/11563.