Apsari Y, Syathroh IL, Rizqiya RS. PROMOTING ENGLISH TEACHERS’ PROFESSIONAL DEVELOPMENT (TPD) THROUGH THE PRACTICE OF LESSON STUDY. OKARA JURNAL BAHASA DAN SASTRA [Internet]. 2017 Dec. 4 [cited 2026 Jul. 31];11(2):303-18. Available from: https://siakaddev.iainmadura.ac.id/index.php/okara/article/view/1496