MARDIN SILALAHI; NELMA HARTATI SIMAMORA. THE EFFECT OF COLLABORATIVE WRITING TECHNIQUE ON STUDENTS WRITING ABILITY AT THE EIGHTH GRADE OF SMP NEGERI 8 PEMATANGSIANTAR. Bilingual : Jurnal Pendidikan Bahasa Inggris, [S. l.], v. 1, n. 2, p. 26–31, 2019. DOI: 10.36985/jbl.v1i1.240. Disponível em: https://jurnal.usi.ac.id/index.php/bilingual/article/view/240. Acesso em: 22 jul. 2024.