@article{201905.0188,
	doi = {10.20944/preprints201905.0188.v1},
	url = {https://doi.org/10.20944/preprints201905.0188.v1},
	year = 2019,
	month = {May},
	publisher = {Preprints},
	author = {Youn-Joo Um and Yun-Jung Choi and So Yeon Yoo},
	title = {Relationships between Middle School Students’ Smartphone dependency and Aggression: Mediating and Moderating Effects of Ego-Resilience, Parenting Behavior and Peer Attachment<strong> </strong>},
	journal = {Preprints}
}