Project Based Learning Model as an Effective Approach to Improve Biography Writing Skills in Class X at SMK Madyatama Palembang. cakrawala-ups [Internet]. 21 Mei 2026 [dikutip 19 September 2026];20(1):112-2. Tersedia pada: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/529