MARISSA; ALFIYA, Zikri; ALFIANTI, Dewi; RISTIANI, Dita; SETIAWAN, Erwan. Peningkatan Kemampuan Berpidato dengan Penerapan Strategi Tiered Tasks dan Model Problem Based Learning. Alinea: Jurnal Bahasa, Sastra, dan Pengajaran, [S. l.], v. 15, n. 2, p. 173–180, 2026. DOI: 10.35194/alinea.v15i2.6406. Disponível em: https://jurnal.unsur.ac.id/index.php/ajbsi/article/view/6406. Acesso em: 8 nov. 2026.