Manisem. Improving Performance Skills (Performance) Students of Class X TKJ SMK Swasta Mandiri Al Washliyah Silangkitang on Statistical Material Using a Problem Based Learning (PBL). JoGEs [Internet]. 2023 May 22 [cited 2025 Sep. 14];1(3):226-31. Available from: https://journal.berpusi.co.id/index.php/JoGEs/article/view/577