Jenkins, M., Houge Mackenzie, S., Hodge, K., Hargreaves, E. A., Calverley, J. R., & Lee, C. (2021). Physical Activity and Psychological Well-Being During the COVID-19 Lockdown: Relationships With Motivational Quality and Nature Contexts. Front Sports Act Living.

Jenkins, Matthew, Susan Houge Mackenzie, Ken Hodge, Elaine Anne Hargreaves, Jessica R. Calverley, i Craig Lee. "Physical Activity and Psychological Well-Being During the COVID-19 Lockdown: Relationships With Motivational Quality and Nature Contexts." Front Sports Act Living 2021.

Jenkins, Matthew, et al. "Physical Activity and Psychological Well-Being During the COVID-19 Lockdown: Relationships With Motivational Quality and Nature Contexts." Front Sports Act Living 2021.