Gretha Ruth Winda Simanjuntak, , Dumaris E. Silalahi, Rudiarman Purba. The Effect Of Snowball Throwing Method In Reading Comprehension Of Narrative Text At Grade Ten Of SMA Negeri 1 Siantar. JIPSI [Internet]. 2023 Nov. 19 [cited 2026 Apr. 27];2(4):493-501. Available from: https://www.putrapublisher.org/index.php/jipsi/article/view/459