SABANG, Risnawati; YULIATI, Luluk. Tummy time to improve psychomotor development Babies 6-9 months. Science Midwifery, [S. l.], v. 11, n. 2, p. 315–321, 2023. DOI: 10.35335/midwifery.v11i2.1274. Disponível em: https://www.midwifery.iocspublisher.org/index.php/midwifery/article/view/1274. Acesso em: 10 may. 2026.