Thi Kim Anh N, Van Duyen Em V, Luu Quynh Nhu H. BUILDING ELECTRONIC LEARNING MATERIALS IN TEACHING "HYDROCARBON" TO DEVELOP SELF–STUDY COMPETENCE FOR 11th GRADE STUDENTS. HNUE JoES. 2025;70(3):173-183. doi:10.18173/2354-1075.2025-0061