Siregar, L. R., and M. L. Harahap. “Pengaruh Baby Massage Terhadap Kualitas Tidur Bayi Usia 6-12 Bulan”. Jurnal Kebidanan Darmais (JKD), vol. 2, no. 2, Dec. 2024, pp. 58-65, https://ejournal.stikesdarmais.ac.id/index.php/jkd/article/view/319.