Dinh Thi Hong Van, Hoang Quoc Viet and Pham Thi Hanh (2021) “LESSON STUDY IN HIGH SCHOOLS IN EA H’LEO DISTRICT, DAK LAK PROVINCE WITHIN THE CONTEXT OF EDUCATIONAL INNOVATION: THE RELATIONSHIP WITH TEACHERS’ PROFESSIONAL DEVELOPMENT”, UED Journal of Social Sciences, Humanities and Education, 11(1), pp. 104-112. doi: 10.47393/jshe.v11i1.959.