Khoirun Nisa, Putri Novita. “Research Article Vocational Students’ Perceptions of Using QR Code Flashcards to Enhance Pronunciation in Report Text Based Learning: A Qualitative Study in Vocational EFL Classrooms”. Retain: Journal of Research in English Language Teaching, vol. 13, no. 03, Apr. 2026, pp. 47-53, doi:10.26740/rt.v13i03.76540.