Naufal, Adnan Faris, and Prilliya Artika. “Pengaruh Baby Massage Dan Baby Spa (Solus Per Aqua) Terhadap Motorik Kasar Bayi Usia 4-6 Bulan”. Prosiding University Research Colloquium, Oct. 2019, pp. 153-6, https://repository.urecol.org/index.php/proceeding/article/view/596.