YULITA, Delti; SIAHAAN, Desta Gloria. THE REQUEST STRATEGY OF SUMATRAN INFORMANTS IN PERFORMING SPEECH ACTS REQUEST. Jurnal Edulanguage: Jurnal Pendidikan Bahasa, [S. l.], v. 7, n. 1, p. 10–22, 2021. DOI: 10.32938/edulanguage.v1i1.2440. Disponível em: http://jurnal.unimor.ac.id/JEL/article/view/2440. Acesso em: 11 jan. 2026.