Herens, M., Bakker, E. J., van Ophem, J., Wagemakers, A., & Koelen, M. (2016). Health-Related Quality of Life, Self-Efficacy and Enjoyment Keep the Socially Vulnerable Physically Active in Community-Based Physical Activity Programs: A Sequential Cohort Study. PLoS One.

Herens, Marion, Evert Jan Bakker, Johan van Ophem, Annemarie Wagemakers, و Maria Koelen. "Health-Related Quality of Life, Self-Efficacy and Enjoyment Keep the Socially Vulnerable Physically Active in Community-Based Physical Activity Programs: A Sequential Cohort Study." PLoS One 2016.

Herens, Marion, et al. "Health-Related Quality of Life, Self-Efficacy and Enjoyment Keep the Socially Vulnerable Physically Active in Community-Based Physical Activity Programs: A Sequential Cohort Study." PLoS One 2016.