@article{learning,
author = {Yusuke Hayashi and Mitsuru Ikeda},
journal = {International Journal of Continuing Engineering Education and Lifelong Learning},
number = {3},
pages = {276+},
publisher = {Inderscience Enterprises Ltd.},
title = {{A design environment to articulate design intention of learning contents}},
url = {http://www.ei.sanken.osaka-u.ac.jp/pub/hayashi/IJCEELL%2014(3)%20Paper%207.pdf},
year = {2004},
volume = {14}
}
$$
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$$