Penggunaan Birth Ball Pada Ibu Hamil Sebagai Upaya Mewujudkan Persalinan Normal. Community Empowerment, [S. l.], v. 6, n. 3, p. 472–475, 2021. DOI: 10.31603/ce.4419. Disponível em: https://coba.unimma.ac.id/ce/article/view/4419. Acesso em: 30 sep. 2026.