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), pp. 306-10. doi: 10.13181/mji.bc.215477.