Hengki Anggra Hermawan; Fazri Nur Yusuf. JUNIOR HIGH SCHOOL TEACHER CHALLENGES, PRACTICE AND STRATEGIES ON IMPLEMENTING DIFFERENTIATED INSTRUCTION IN EFL CLASSROOM: Received: 23rd July 2024, Revised: 21st May 2025, Accepted: 1st July 2025, Date of Publication: 11th November 2025. pijtel 2025, 9, 75-97.