HERIYANTO, Nahlu Hasbi. Correlation Between English Motivation and Speaking Proficiency: A Mixed-Methods Study at Shafta Senior High. SELL (Scope of English Language Teaching, Linguistics, and Literature) Journal, [S. l.], v. 9, n. 2, p. 136–147, 2024. DOI: 10.31597/sl.v9i2.1133. Disponível em: http://publikasi.stkippgri-bkl.ac.id/index.php/SL/article/view/1133. Acesso em: 4 may. 2025.