TY - BOOK T1 - Youth physical activity and sedentary behavior challenges and solutions A2 - Smith, Alan L. 1968- A2 - Biddle, Stuart LA - English PP - Champaign, Ill. PB - Human Kinetics YR - 2008 UL - https://tuklas.up.edu.ph/Record/UP-99796217609164708 OP - 491 CN - RJ 399 C6 Y68 2008 SN - 9780736065092 (hard cover) SN - 0736065091 (hard cover) KW - Obesity in adolescence : Prevention. KW - Health behavior in adolescence. KW - Exercise : Psychological aspects. ER -