Silalahi, M., and L. Simarmata. “Improving the Students’ Writing Skill by Using Clustering Technique At Tenth Grade of MA Al- Kautsar”. Bilingual : Jurnal Pendidikan Bahasa Inggris, vol. 4, no. 1, Apr. 2022, pp. 31 -, doi:10.36985/jbl.v4i1.379.