@article{oai:soar-ir.repo.nii.ac.jp:00018357,
 author = {Nagai, Takashi and Kayama, Mizue and Itoh, Kazunori},
 issue = {2},
 journal = {Interactive Technology and Smart Education},
 month = {},
 note = {Article, Interactive Technology and Smart Education. 11(2): 146-164 (2014)},
 pages = {146--164},
 title = {A drawing learning support system based on the drawing process model},
 volume = {11},
 year = {2014}
}