Project Based Learning Model as an Effective Approach to Improve Biography Writing Skills in Class X at SMK Madyatama Palembang. cakrawala-ups [Internet]. 2026 May 21 [cited 2026 Jun. 8];20(1):112-2. Available from: https://cakrawala.upstegal.ac.id/index.php/cakrawala/article/view/529