Widiastuti, H.P. et al. 2021. Tandem Walking Exercise For The Risk Of Falling and The Daily and Activities’ Independency Toward Elderly Preopleat UPT PSTW Nirwana Puri Samarinda. Journal Of Nursing Practice. 5, 1 (Oct. 2021), 155–161. DOI:https://doi.org/10.30994/jnp.v5i1.166.