@mastersthesis{oai:tsukuba.repo.nii.ac.jp:00049302,
 author = {田, 雪},
 month = {},
 note = {2017},
 school = {筑波大学, University of Tsukuba},
 title = {OA誌と非OA誌のImpact Factorの経年変化},
 year = {2018},
 yomi = {デン, ユキ}
}