Minami Ito and Akihiro Iijima, Text Mining Analysis of the Reconstruction Plans after the Great East Japan Earthquake. journal = {International Journal of Environmental and Ecological Engineering}, [online]. World Academy of Science, Engineering and Technology. November 2013, vol. 84(12). 1575 - 1578 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/9996832.