Ari Wibowo, R., Sofro, Z.M., Wasityastuti, W., Utomo, P.S., Budi Dharma, I.G.B. and Agustiningsih, D. 2021. The effect of virtual challenge on physical activity and mental health among university students: Mini-Oral Presentation A2.6. The Health & Fitness Journal of Canada. 14, 3 (Sep. 2021). DOI:https://doi.org/10.14288/hfjc.v14i3.438.