87kk电影网剧情介绍:Kennedy，J.，User Friendly：hands-on exhibits that work，Washington，DC：ASTC，1994.Lewin，A.W.，‘Children’s museums：a structure for family learning’，Marriage and Family Review，13，3-4，1989，pp.51-73.McCormick，S.（ed.），The ASTC Science Center Survey：administra...