1Robert S Kaplan, David P Norton. The balanced scorecard- measures that drive performance [ J ] . Harvard business Review, 1992, 70 (1): 71-79.
2Jensen M C, Meckling W H, 1976. Theory of the firm: managerial behavior, agency costs, and ownership structure[ J ] . Journal of Financial Economics, 1976, 3 ( 4 ) : 305-360.
7Stankey G H, McCool S F. Beyond social carrying capacity. In E. L. Jackson, & T. L. Burton (Eds.), Understanding leisure and recreation[M]. State College, PA: Venture Publishing, Inc, 1989:497- 516.
8Bell P A, Fisher J D, Baum A, et al. (Eds.). Environmental psychology (3rd ed.)[M]. Philadelphia, PA: Holt, Rinehart and Winston, Inc, 1990.
9Shelby B, Vaske J J, Heberlein T A. Comparative analysis of crowding in multiple locations: results from fifteen years of research[J]. Leisure Sciences, 1989,11:269-291.