@article{oai:toin.repo.nii.ac.jp:00000463,
 author = {阿部, 憲二 and Abe, Kenji},
 issue = {2},
 journal = {International Journal of Social Science and Humanities Research},
 month = {},
 note = {Mass shootings are becoming a major challenge in American society. The question as to why they occur so frequently countrywide is often posed. This paper focuses on the 10 deadliest mass shootings in U.S. history and attempts to determine the nature of the perpetrators’ childhood family environments. The neglect of children by their parents was found to be a common denominator.},
 pages = {96--102},
 title = {The 10 deadliest mass shootings in modern U.S. history and the perpetrators’ family environments},
 volume = {8},
 year = {2020},
 yomi = {アベ, ケンジ}
}