Hsieh, Ling-LingLing-LingHsiehDuh, Y. L.Y. L.Duh謝玲玲2009-03-172018-06-292009-03-172018-06-291980http://ntur.lib.ntu.edu.tw//handle/246246/145373en-USA Study on Activity Level of Preschool Children in Taipei Cityjournal article