ਸਰੀਰਕ ਕਸਰਤ: ਰੀਵਿਜ਼ਨਾਂ ਵਿਚ ਫ਼ਰਕ

* [http://www.sciencedaily.com/articles/p/physical_exercise.htm Science Daily's reference on Physical Exercise]

* Guidance on the promotion and creation of physical environments that support increased levels of physical activity.{{cite web |url=http://www.nice.org.uk/Guidance/PH8 |title=Physical activity and the environment |format= |work= |accessdate=}}