Kälkäinen, S. (2011). The association between perceived environmental barriers and walking activity among older adults.
Chicago Style (17th ed.) CitationKälkäinen, Salla. The Association Between Perceived Environmental Barriers and Walking Activity Among Older Adults. Jyväskylä, 2011.
MLA (9th ed.) CitationKälkäinen, Salla. The Association Between Perceived Environmental Barriers and Walking Activity Among Older Adults. 2011.
Warning: These citations may not always be 100% accurate.