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Riza Afifah, Khairunnisa Dwinalida. The Effectiveness of Snowball throwing technique in teaching Grammar at Eighth Grade Students in SMP N 1 Gandrungmangu. ALTICS [Internet]. 2022Dec.1 [cited 2024Dec.28];2(2):52-74. Available from: https://e-journal.unper.ac.id/index.php/ALTICS/article/view/1087