Hidayati, E.R.N. , Suharti, A., Suratinoyo, A.T., Zahra, S.R. and Nusdwinuringtyas, N. 2021. Feasibility of the modified 30-second sit-to-stand test in an isolation ward of moderate COVID-19. Medical Journal of Indonesia. 30, 4 (Dec. 2021), 306–10. DOI:https://doi.org/10.13181/mji.bc.215477.