Atika, Indri Nilam, Marzul Hidayat, and Fortunasari. “Developing Android-Based Application for Vocational High School Students in Learning Tense”. Indonesia Technology-Enhanced Language Learning (iTELL) Journal 1, no. 1 (June 30, 2024): 43–48. Accessed October 26, 2025. https://itell.or.id/journal/itelljournal/article/view/1.