@article{oai:teapot.lib.ocha.ac.jp:00033726,
 author = {AKASAKA, Rui and SAKAMOTO, Akira},
 journal = {Proceedings : 格差センシティブな人間発達科学の創成=Science of human development for restructuring the "gap widening society"},
 month = {Mar},
 note = {application/pdf, 紀要論文},
 pages = {91--103},
 title = {The Effect of Mobile Phone Use on Friendship in School Children : A Panel Study Examining Causality},
 volume = {13 英文モノグラフ SELECTED PAPERS},
 year = {2011}
}