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 23 Mei 2026];20(1). Tersedia pada: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/529