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). Journal of General Education Science, [S. l.], v. 1, n. 3, p. 226–231, 2023. DOI: 10.62966/joges.v1i3.577. Disponível em: https://journal.berpusi.co.id/index.php/JoGEs/article/view/577. Acesso em: 14 sep. 2025.