Doris Yolanda Saragih, Hengki Mangiring Parulian Simarmata, Sirait E, Saragih RS, Sihite SM. International Collaboration in Business English Learning: Enhancing Global Communication Skills of Polytechnic Students . Jurnal Bersama Pengabdian Kepada Masyarakat (SAMAMAS) [Internet]. 2025 Dec. 15 [cited 2026 Mar. 12];1(4):160-7. Available from: https://www.jurnal.literasisains.id/index.php/samamas/article/view/328