机译:维也纳,苏黎世和弗莱堡山区和城市森林中游客的自然体验,娱乐活动和健康益处
Department of Forest Resources, Faculty of Natural Resources, Yeungnam University, Gyeongsan 38541, South Korea;
Department of Forest Resources, College of Life & Environmental Science, Daegu University, Gyeongsan 38453, South Korea;