Assisting Pregnant Women in Reducing Anxiety and Lower Back Painwith Progressive Muscle Relaxation. JURNAL PENGMAS KESTRA (JPK), [S. l.], v. 5, n. 1, p. 97–104, 2025. DOI: 10.35451/5fx88q67. Disponível em: https://ejournal.medistra.ac.id/index.php/JPK/article/view/2820. Acesso em: 3 dec. 2025.