@article{oai:meisei.repo.nii.ac.jp:00000694,
 author = {Patko,, Agnes Anna and Patko, Agnes Anna},
 issue = {7},
 journal = {明星国際コミュニケーション研究, Meisei International Studies},
 month = {Mar},
 pages = {97--110},
 title = {The Effect of Extra-curricular Activities on Students’ Studies},
 year = {2015}
}