Nury Nusdwinuringtyas, Kevin Triangto, Idrus Alwi, and Faisal Yunus. 2021. “The Validity and Reliability of Six Minute Walk Test in a 15 Meter Track”. Indonesian Journal of Physical Medicine and Rehabilitation 10 (02), 57 - 66. https://doi.org/10.36803/ijpmr.v10i02.303.