FITRI, N.; WARNI, H.; SARI, N. Y. Progressive Muscle Relaxation Therapy Against Anxiety in High School Students Related to the Covid-19 Pandemic . Jurnal Keperawatan, [S. l.], v. 14, n. S1, p. 267–274, 2022. DOI: 10.32583/keperawatan.v14iS1.153. Disponível em: https://journal2.stikeskendal.ac.id/index.php/keperawatan/article/view/153. Acesso em: 22 dec. 2024.