Cowell, C. C. (1953). Scientific foundations of physical education: A problem-solving approach to curriculum administration and guidance. Harper.
Chicago-viite (17. p.)Cowell, Charles C. Scientific Foundations of Physical Education: A Problem-solving Approach to Curriculum Administration and Guidance. New York: Harper, 1953.
MLA-viite (9. p.)Cowell, Charles C. Scientific Foundations of Physical Education: A Problem-solving Approach to Curriculum Administration and Guidance. Harper, 1953.
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