Perceived Barriers to Leisure-Time Physical Activity in Adults: An Ecological Perspective
Author: Cerin, Ester.  Published in: Journal of Physical Activity and Health, v. 7  no. 4, pp. 451- 459  Date: 2010
ISSN:  1543-3080,  EISSN:  1543-5474  DOI:  10.1123/jpah.7.4.451 
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