楊永華2014-10-272014-10-271984-06-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/17637中小學化學領域中的「酸與鹼」概念的深廣度與其化學實驗之連貫Investigating into Improvement of Chemistry Experiments in Relation to Its Depth for the Acid-base Concept