PANDU DWIPATMASARI; IRFAN HAMDANI. The Relationship Between Backpack Use and Low Back Pain Complaints in Grade VIII Students of Muhammadiyah 1 Middle School, Medan. Educare: Journal Educational and Multimedia , [S. l.], v. 4, n. 02, p. 132–140, 2026. Disponível em: https://seaninstitute.or.id/bersinar/index.php/ducare/article/view/274. Acesso em: 15 sep. 2026.