The Effectiveness of QR Code-Based Arabic Teaching Materials within a Flipped Classroom Model on the Learning Outcomes of Grade XI Students at SMKN 1 Kalinyamatan Jepara / Efektivitas Bahan Ajar Bahasa Arab Berbasis QR Code dalam Model Flipped Classroom terhadap Hasil Belajar Siswa Kelas XI SMKN 1 Kalinyamatan Jepara (Universitas Islam DDI AGH Abdurrahman Ambo Dalle Polewali Mandar, Sulawesi Barat, 2026)