@mastersthesis{oai:tsukuba.repo.nii.ac.jp:02001696, author = {下野, 幹弥 and SHIMONO, Mikiya}, month = {}, note = {2020}, school = {筑波大学, University of Tsukuba}, title = {電子書籍の価格と需要の関係に関する国際比較}, year = {2021}, yomi = {シモノ, ミキヤ} }