Astrinia Ristama Tampubolon, Basar Lolo Siahaan and Anita Sitanggang (2023) “The Effect Of Using Tiktok On Students’ Vocabulary Mastery In Seventh Grade At SMP Negeri 9 Pematang Siantar ”, Jurnal Ilmu Pendidikan dan Sosial, 2(3), pp. 390–402. doi: 10.58540/jipsi.v2i3.446.