S. F. Nuha, A. N. Muyassar, N. Ismail, and A. P. Kadiatmadja, “La ilaha illallah: Understanding Tawhid and Its Practice in English for Islamic Studies”, J Hadratul Madaniyah, vol. 13, no. 1, pp. 72–84, Feb. 2026, doi: 10.33084/jhm.v13i1.11777.