Rizkadwi Septiyani, Laily Nur Affini, and Entika Fani Prastikawati. “An Analysis of Grammatical Mistakes in Written English Speeches of Eleventh Grade Students”. Undergraduate Conference on Applied Linguistics, Linguistics, and Literature 4, no. 1 (April 1, 2026). Accessed April 21, 2026. https://conference.upgris.ac.id/index.php/allure/article/view/7989.