Laksanasut, Saharat. 2026. “LEVELING UP LANGUAGE LEARNING: THE IMPACT OF GAMIFICATION ON ACADEMIC SELF-EFFICACY OF GRADE 12 EFL STUDENTS IN PUBLIC SECONDARY SCHOOLS IN CHONBURI PROVINCE”. วารสารสังคมศึกษาปริทรรศน์ 2 (2). Phitsanulok, Thailand:16 หน้า. https://doi.org/10.64186/jsp2899 .