-
Clawson-knetsch method — One method for using travel costs to estimate the recreational value of a resource.
柯罗文-肯塔斯方法——一个用旅行成本来来评估资源娱乐价值的方法。
youdao
-
Clawson-knetsch method — One method for using travel costs to estimate the recreational value of a resource.
柯罗文-肯塔斯方法——一个用旅行成本来来评估资源娱乐价值的方法。
youdao