Roma Rejeki Nami Saragih, Christian Neni Purba and Asima Rohana Sinaga (2023) “The Effect Of Jigsaw Teachnique On Students’ Writing Skill At Eeventh Grade Of SMA Negeri 5 Pematang Siantar”, Jurnal Ilmu Pendidikan dan Sosial, 2(4), pp. 547–555. doi: 10.58540/jipsi.v2i4.461.