Sihombing, Agustina, Mutiah Mutiah, and Nurma Handayani. “An Analysis of Grammatical Errors in Advertising Slogan”. INTERACTION: Jurnal Pendidikan Bahasa 9, no. 2 (October 10, 2022): 257-267. Accessed May 2, 2024. https://unimuda.e-journal.id/jurnalinteraction/article/view/2811.