Khairunnisa S. Teachers’ Perceptions and Challenges in Using Blended Learning for Teaching English in the New Normal Era . RETAIN : J. Res. Engl. Lang. Teach. [Internet]. 2022 Sep. 14 [cited 2025 Jul. 6];10(02):24-30. Available from: https://ejournal.unesa.ac.id/index.php/retain/article/view/47651