Dinh Thi Hong Van, Hoang Quoc Viet, và 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”, jshe, vol 11, số p.h 1, tr 104-112, tháng 6 2021.