SIDAURUK, Sri Lestari; ARIFIN, Tina Mariany. Improving Grade XI Students™ Writing Achievement in Analytical Exposition through Collaborative Writing Strategy. TRANSFORM : Journal of English Language Teaching and Learning, North Sumatera, Indonesia, v. 3, n. 1, 2014. DOI: 10.24114/tj.v3i1.1827. Disponível em: https://jurnal.unimed.ac.id/2012/index.php/jelt/article/view/1827. Acesso em: 6 jul. 2025.