海量图书期刊资源，随时随地畅享阅读乐趣
Examining the construction process: A study of changes in level 10 students' understanding of classical mechanicsJames A. Shymansky; Larry D. Yore; David F. Treagust; Rodney B. Thiele; Allan Harrison; Bruce G. Waldrip; Susan M. Stocklmayer; Grady Venville · 1997