@article{oai:toin.repo.nii.ac.jp:00000459,
 author = {阿部, 憲二 and Abe, Kenji},
 issue = {2},
 journal = {International Journal of Social Science and Humanities Research},
 month = {},
 note = {Today we see mass shooting news in the U.S. almost every day. Why? This paper revises the first proposal on what types of family backgrounds have produced mass murderers in the past. Based on the revision, we would like to discuss which family environment types are the most responsible for today’s mass shootings, and why we have more such types in the U.S. today.},
 pages = {70--79},
 title = {Mass Shootings in the U.S. - Why Are they Happening so Often?},
 volume = {8},
 year = {2020},
 yomi = {アベ, ケンジ}
}