Gretha Ruth Winda Simanjuntak, , Dumaris E. Silalahi, and Rudiarman Purba. “The Effect Of Snowball Throwing Method In Reading Comprehension Of Narrative Text At Grade Ten Of SMA Negeri 1 Siantar”. Jurnal Ilmu Pendidikan dan Sosial 2, no. 4 (November 19, 2023): 493–501. Accessed April 17, 2026. https://putrapublisher.org/ojs/index.php/jipsi/article/view/459.