S. Ja'afar, “Kesantunan Bahasa: Pertembungan antara Budaya Melayu-Bukan Melayu dan Islam-Bukan Islam”, JPM, vol. 3, pp. 49–60, Nov. 2005, Accessed: Dec. 15, 2025. [Online]. Available: https://ejournal.upsi.edu.my/index.php/JPM/article/view/3380