CHALLENGES OF ENGLISH TEACHER IN THE PRACTICE OF HYBRID LEARNING IN THE 21ST CENTURY. Journal of English Language Teaching and Education (JELTE) [Internet]. 2023 Jul. 25 [cited 2025 Aug. 23];4(1):1-11. Available from: https://jurnal.fpbs.upgripnk.ac.id/index.php/jelte/article/view/374