Bratland-Sanda, S., Mathisen, T. F., Sundgot-Borgen, C., Sundgot-Borgen, J., & Tangen, J. O. (2020). The Impact of Covid-19 Pandemic Lockdown During Spring 2020 on Personal Trainers' Working and Living Conditions. Front Sports Act Living.

Bratland-Sanda, Solfrid, Therese Fostervold Mathisen, Christine Sundgot-Borgen, Jorunn Sundgot-Borgen, ja Jan Ove Tangen. "The Impact of Covid-19 Pandemic Lockdown During Spring 2020 On Personal Trainers' Working and Living Conditions." Front Sports Act Living 2020.

Bratland-Sanda, Solfrid, et al. "The Impact of Covid-19 Pandemic Lockdown During Spring 2020 On Personal Trainers' Working and Living Conditions." Front Sports Act Living 2020.