Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Michelle L. Granner and Patricia A. Sharpe and Brent Hutto and Sara Wilcox and Cheryl L. Addy,"Perceived Individual, Social, and Environmental Factors for Physical Activity and Walking",Journal of Physical Activity and Health,1543-3080,Human Kinetics,2007-07,4,3,278-293,https://cir.nii.ac.jp/crid/1360574096370562304,https://doi.org/10.1123/jpah.4.3.278