WONG, E. W. K., & LOUIE, L. H. T. (2006). The Effects of Camp Adventure Programs on Improving Self-concept of Youth Participants in Hong Kong: 香港營地歷奇活動對青少年自我觀念的影響. Asian Journal of Physical Education &Amp; Recreation, 12(1), 7–33. https://doi.org/10.24112/ajper.121307