Kasim, Nor Fadila, Sarah Aldred, and Jet Veldhuijzen Van Zanten. 2020. “Tai Chi and Zumba Gold®: An Alternative to Motivate Elderly in Doing Physical Activity”. Jurnal Sains Sukan & Pendidikan Jasmani 9 (1):62-69. https://doi.org/10.37134/jsspj.vol9.1.7.2020.