RIANA, R.; HULU, L. S. P. Peningkatan Kemampuan Menulis Surat Dinas Melalui Model Cooperative Learning . Educativo: Jurnal Pendidikan, [S. l.], v. 1, n. 2, p. Page: 552–558, 2022. DOI: 10.56248/educativo.v1i2.76. Disponível em: https://www.educativo.marospub.com/index.php/journal/article/view/76. Acesso em: 23 nov. 2024.