SITORUS, Johanes. PERANCANGAN APLIKASI PENGENALAN POLA HURUF AKSARA BATAK TOBA MENERAPKAN METODE DIRECTION FEATURE EXTRACTION (DFE). JURNAL RISET KOMPUTER (JURIKOM), [S. l.], v. 2, n. 6, 2015. DOI: 10.30865/jurikom.v2i6.356. Disponível em: https://ejurnal.stmik-budidarma.ac.id/index.php/jurikom/article/view/356. Acesso em: 27 oct. 2025.