%0 Journal Article
%T E-Block: A Tangible Programming Tool with Graphical Blocks
%A Danli Wang
%A Yang Zhang
%A Shengyong Chen
%J Mathematical Problems in Engineering
%D 2013
%I Hindawi Publishing Corporation
%R 10.1155/2013/598547
%U http://dx.doi.org/10.1155/2013/598547