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. 1, p. 26–31, 2019. DOI: 10.36985/eca5t692. Disponível em: http://jurnal.usi.ac.id/index.php/jbl/article/view/972. Acesso em: 10 jan. 2025.