Elwan Ridhonta Sinulingga, Firza Sakinah, M. Radja Affan Hanafie, Rosanti Nasution, Salwa Khumairah Hasyim, and Siti Ismahani, “A Syntactic Analysis of Noun Phrase Structures in BBC Online News Headlines ”, JUPENSI, vol. 6, no. 1, pp. 177–187, Feb. 2026.