JANNAH, N.; SELVARAJH, G. Development of Questionnaires for Measuring Pregnancy Anxiety, Sleep Quality, Knowledge Level, and Birth Readiness. International Journal of Nursing Information, [S. l.], v. 3, n. 1, p. 16–24, 2024. DOI: 10.58418/ijni.v3i1.61. Disponível em: https://journal.qqrcenter.com/index.php/ijni/article/view/61. Acesso em: 13 feb. 2026.