Girianto, Pria Wahyu Romadhon, et al. “Butterfly Hug Reduce Anxiety on Elderly”. Jurnal Ners Dan Kebidanan (Journal of Ners and Midwifery), vol. 8, no. 3, Dec. 2021, pp. 295-00, doi:10.26699/jnk.v8i3.ART.p295-300.