Suatu Hubungan Kumpulan Pusat–2 dengan Teori Kebarangkalian. Jurnal Teknologi (Sciences & Engineering), [S. l.], v. 41, n. 1, p. 45–54, 2012. DOI: 10.11113/jt.v41.703. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/703.. Acesso em: 9 jan. 2025.