HAJI OTHMAN, M. K. Keberkesanan Pengajaran Kursus Titas 1: Kajian di Universiti Teknologi Mara, Shah Alam. Jurnal Usuluddin, [S. l.], v. 20, p. 159–184, 2004. Disponível em: https://mjes.um.edu.my/index.php/JUD/article/view/4216. Acesso em: 6 jul. 2024.