JAYA, A. K. Analisis Faktorisasi Matriks Tak Negatif. Jurnal Matematika, Statistika dan Komputasi, [S. l.], v. 13, n. 2, p. 147-151, 2018. DOI: 10.20956/jmsk.v13i2.3501. Disponível em: https://journal.unhas.ac.id/index.php/jmsk/article/view/3501. Acesso em: 6 may. 2024.