Chapagain, D., Wallis, L. J., Range, F., Affenzeller, N., Serra, J., & Virányi, Z. (2020). Behavioural and cognitive changes in aged pet dogs: No effects of an enriched diet and lifelong training. PLoS One.

Chapagain, Durga, Lisa J. Wallis, Friederike Range, Nadja Affenzeller, Jessica Serra, och Zsófia Virányi. "Behavioural and Cognitive Changes in Aged Pet Dogs: No Effects of an Enriched Diet and Lifelong Training." PLoS One 2020.

Chapagain, Durga, et al. "Behavioural and Cognitive Changes in Aged Pet Dogs: No Effects of an Enriched Diet and Lifelong Training." PLoS One 2020.