Sulaiman, A.H. 2025. the The Effectiveness of the “Snowball” Strategy Based on Active Learning In Acquiring And Retaining Grammatical Concepts: For Eighth Grade Students Who Are Not Native Speakers. Koya University Journal of Humanities and Social Sciences. 8, 1 (Mar. 2025), 285-295. DOI:https://doi.org/10.14500/kujhss.v8n1y2025.pp285-295.