Najilah I, Sudirman A, Munawaroh T. The Effect of Using Speedy English Grammar Application towards Students’ Grammar Mastery in Simple Past Tense at the Twelfth Grade of SMK Walisongo Menes Pandeglang Banten in Academic Year 2023/2024. JEES [Internet]. 15May2024 [cited 6Sep.2025];7(1):27-. Available from: http://jees.ejournal.id/index.php/english/article/view/121