Alivian, G., 		Alaludin, S., & 		Hidayat, A.
2021 Feb  1.  Training Manajemen Nyeri Punggung (Low Back Pain) Pada Lansia Dengan Mc Kenzie Exercise  Di Kelurahan Mersi Purwokerto Timur. Jurnal of Community Health Development. [Online] 2:1