Goswami, Nandu, Trozic, Irhad, Fredriksen, Maren Valand & Fredriksen, Per Morten (2021). The effect of physical activity intervention and nutritional habits on anthropometric measures in elementary school children: the health oriented pedagogical project (HOPP). International Journal of Obesity. ISSN 0307-0565. doi: 10.1038/s41366-021-00830-5
Kharlova, Iana, Fredriksen, Maren Valand, Mamen, Asgeir & Fredriksen, Per Morten (2020). Daily and Weekly Variation in Children’s Physical Activity in Norway: A Cross-Sectional Study of The Health Oriented Pedagogical Project (HOPP). Sports. ISSN 2075-4663. 8(11) doi: 10.3390/sports8110150
Kharlova, Iana, Deng, Wei Hai, Mamen, Jostein, Mamen, Asgeir, Fredriksen, Maren Valand & Fredriksen, Per Morten (2020). The Weather Impact on Physical Activity of 6–12 Year Old Children: A Clustered Study of the Health Oriented Pedagogical Project (HOPP). Sports. ISSN 2075-4663. 8(9) doi: 10.3390/sports8010009
