Bui Ngoc Khanh Tuong2025-06-022025-06-022024-12https://thuvienso.hoasen.edu.vn/handle/123456789/16366117 pagesenLEARNENGLISH GRAMMARGRAMMATICAL COMPETENCETHE EFFECT OF THE LEARNENGLISH GRAMMAR MOBILE APPLICATION ON EFL HIGH SCHOOL STUDENTS’ GRAMMATICAL COMPETENCE: A CASE AT A PUBLIC HIGH SCHOOL IN SOUTHERN VIETNAMThesis