Sihombing, M. (2025) “Improving Vocabulary in Writing Recount Text at Grade VIII Students of SMP YP HKBP 1 Pematangsiantar Through Clustering Technique ”, Pengabdian Masyarakat Sumber Daya Unggul, 3(3), pp. 122–137. doi: 10.37985/pmsdu.v3i3.1261.