Rizkadwi Septiyani, Laily Nur Affini, Entika Fani Prastikawati. An Analysis of Grammatical Mistakes in Written English Speeches of Eleventh Grade Students. ALLURE [Internet]. 2026 Apr. 1 [cited 2026 Apr. 21];4(1). Available from: https://conference.upgris.ac.id/index.php/allure/article/view/7989