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 (Jun. 2021), 104-112. DOI:https://doi.org/10.47393/jshe.v11i1.959.