Ningrum, Sulistya, Risnawati, Ahmad Iman Mulyadi, Rani Aziza, Suci Wasilah Urwatul Zahra, and Fauzan Dwi Purdani. “Evaluating OutLoud!: A CEFR-Based Digital Game for EFL Speaking Instruction”. Jurnal Pembelajaran Bahasa dan Sastra 5, no. 3 (May 10, 2026): 2127–2140. Accessed May 10, 2026. https://pembahas.dialeks.id/index.php/jp/article/view/1433.