Seeing is believing: Using systematic observation to assess physical activity and its contexts

✍ Scribed by T. McKenzie

• Book ID: 113755352
• Publisher: Elsevier Science
• Year: 2010
• Tongue: English
• Weight: 75 KB
• Volume: 12
• Category: Article
• ISSN: 1440-2440
• DOI: 10.1016/j.jsams.2009.10.010