ROMADHIANTI, Rona Roma. The Effectiveness of the Teacher’s Directive Speech Acts on Strengthening the Student’s Character. Jurnal Lingua Idea, [S.l.], v. 11, n. 2, p. 139-152, dec. 2020. ISSN 2580-1066. Tersedia pada: <https://jos.unsoed.ac.id/index.php/jli/article/view/2666>. Tanggal Akses: 01 july 2025 doi: https://doi.org/10.20884/1.jli.2020.11.2.2666.