@article{oai:otsuma.repo.nii.ac.jp:00003195, journal = {大妻女子大学紀要. 文系}, month = {Mar}, note = {P(論文)}, pages = {39--56}, title = {Assessing the Level of Difficulty of Films in the SLA Context : A Quantitative Approach}, volume = {35}, year = {2003} }