Dinh Thi Hong Van, Hoang Quoc Viet, and Pham Thi Hanh. “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, Vol. 11, no. 1, June 2021, pp. 104-12, doi:10.47393/jshe.v11i1.959.