Dini Mutia Havid, Iren Adina Rahmadani Tarigan, Nury Ana Harahap, and Putri Nur Aisyah. “The Grammartical Error in Speaking English of Student”. Philosophiamundi 2, no. 4 (July 11, 2024): 37–47. Accessed December 4, 2024. https://philosophiamundi.id/index.php/philosophia/article/view/75.