Waruwu, P. (2024) “Improving Learning Outcomes of Writing Negotiation Texts Through the Application of Cooperative Learning Model”, Jurnal Ilmu Multidisiplin Indonesia, 1(2), pp. 53–58. Available at: https://stkipahsingaraja.ac.id/jurnal/index.php/jimi/article/view/901 (Accessed: 3 March 2026).