@article{oai:repository.lib.tottori-u.ac.jp:00002961,
 author = {Mizoguchi, Tatsuya and Mizoguchi, Tatsuya and Yamamoto, Yasushi and Yamawaki, Masaya and Nakata, Koichi and Yamamoto, Yasushi and Yamawaki, Masaya and Nakata, Koichi},
 journal = {鳥取大学数学教育研究, Tottori Journal for Research in Mathematics Education},
 month = {Oct},
 title = {Functional graph as a powerful tool in mathematical problem solving : Its curriculum and instruction},
 volume = {15},
 year = {2012}
}