Yli-Piipari, Sami

URI: http://urn.fi/URN:NBN:fi:bib:me:P00591091401

name

Yli-Piipari, Sami

Authored works

The development of students' physical education motivation and physical activity : A 3.5.-year longitudinal study across grades 6 to 9

Works contributed to

Works about Yli-Piipari, Sami

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