Kharlova, I., Deng, W. H., Mamen, J., Mamen, A., Fredriksen, M. V., & Fredriksen, P. M. (2020). The Weather Impact on Physical Activity of 6–12 Year Old Children: A Clustered Study of the Health Oriented Pedagogical Project (HOPP). Sports (Basel).

Kharlova, Iana, Wei Hai Deng, Jostein Mamen, Asgeir Mamen, Maren Valand Fredriksen, ja Per Morten Fredriksen. "The Weather Impact On Physical Activity of 6–12 Year Old Children: A Clustered Study of the Health Oriented Pedagogical Project (HOPP)." Sports (Basel) 2020.

Kharlova, Iana, et al. "The Weather Impact On Physical Activity of 6–12 Year Old Children: A Clustered Study of the Health Oriented Pedagogical Project (HOPP)." Sports (Basel) 2020.