Sihombing A, Mutiah M, Handayani ND. An Analysis of Grammatical Errors in Advertising Slogan. interactionjournal [Internet]. 2022 Oct. 10 [cited 2025 Jun. 8];9(2):257-6. Available from: https://e-journal.unimudasorong.ac.id/index.php/interactionjournal/article/view/2492