Zahrilla, Z., Sutikno, and Rahmat Kartolo. “Developing Narrative Writing Skills Through The Learning Method of Grouping Ideas (Clustering) Using Photographic Images by Student UPTD SMP Negeri 1 Silau Laut Asahan”. International Journal of Educational Research Excellence, vol. 5, no. 1, Jan. 2026, pp. 368-80, doi:10.55299/ijere.v5i1.1716.