RAVINDRA, S. D. EFFECTIVENESS OF BACK SCHOOL EXERCISES IN NON SPECIFIC LOW BACK PAIN. International Journal of Clinical and Biomedical Research, [S. l.], v. 2, n. 3, p. 5–7, 2016. Disponível em: https://www.ijcbr.com/index.php/ijcbr/article/view/32. Acesso em: 13 sep. 2025.