资讯

The Review of Economics and Statistics is an 84-year old general journal of applied (especially quantitative) economics. Edited at Harvard University's Kennedy School of Government, The Review has ...
T. H. Gronwall, Note on the Derivatives with Respect to a Parameter of the Solutions of a System of Differential Equations, Annals of Mathematics, Vol. 20, No. 4 (Jul., 1919), pp. 292-296 ...
Educators from various institutions responded to key questions concerning learning style as it was implemented in their institutions and communities. Among those items explored were the impact of ...