Khairunnisa, A., and R. Jannah. “Trunk Balance Exercise Dan Strength Training Exercise Menurunkan Nyeri Punggung Bawah Pasca 12-18 Bulan Pasca Salin”. Jitek, Vol. 6, no. 1, Sept. 2018, pp. 15-24, doi:10.32668/jitek.v6i1.76.