Free Time Management Contributes to Better Quality of Life: A Study of Undergraduate Students in Taiwan.Published in:Journal of Happiness Studies, 2011, v. 12, n. 4, p. 561, doi. 10.1007/s10902-010-9217-7By:Wang, Wei-Ching;Kao, Chin-Hsung;Huan, Tzung-Cheng;Wu, Chung-ChiPublication type:Article