GRACE CAROL SIPASULTA; WELLY. Effect of Relaxation Programs and Breathing Techniques on Stress Levels of Pregnant Women in Health Centers. Professional Evidence-based Research and Advances in Wellness and Treatment , [S. l.], v. 3, n. 3, p. 1–16, 2026. DOI: 10.69855/perawat.v3i3.695. Disponível em: https://gpijournal.com/index.php/perawat/article/view/695. Acesso em: 11 oct. 2026.