Suhairi, Putri Apriani Batubara, Febrianty Try Andini, M. Alfito Dinova. Correspondence And Business Presentations And Handling Of Customer Complaints. IJERFA [Internet]. 2023 Jul. 31 [cited 2024 Oct. 6];1(4). Available from: https://ijerfa.afdifaljournal.com/index.php/ijerfa/article/view/46