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  year = 1999,
}

@article{CTT100658318,
  author = {TAKAHIRO SAITO and Nathaniel B Diola and JUNICHIRO NIWA and NOBUAKI OTSUKI},
  title = {Effect of chemical composition and grain size of binding materials on transition zone formation at aggregate interface in concrete},
  journal = {Extended Abstracts. Annual Meeting of CAJ (Cement Association of Japan},
  year = 1999,
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@inproceedings{CTT100698173,
  author = {栗山直子 and 齊藤貴浩 and 仲谷佳恵 and 西原明法},
  title = {小学校におけるプログラミング教育の取り組み ～実践授業：小学1 年生「ゾウの足の動きを再現しよう」～},
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  year = 2015,
}