An Analysis of English Speaking Materials in the Textbook “Bahasa Inggris SMA” based on Dat Bao’s Theory at the Eleventh Grade of SMA Swasta Santu Xaverius Gunungsitoli 2022/2023. EDUKASIA Jurnal Pendidikan dan Pembelajaran, [S. l.], v. 4, n. 2, p. 1471–1484, 2023. DOI: 10.62775/edukasia.v4i2.466. Disponível em: https://jurnaledukasia.org/index.php/edukasia/article/view/466. Acesso em: 9 aug. 2025.