@article{202009.0149,
	doi = {10.20944/preprints202009.0149.v1},
	url = {https://doi.org/10.20944/preprints202009.0149.v1},
	year = 2020,
	month = {September},
	publisher = {Preprints},
	author = {Youl Pyo Hong and Yeon Ok Yeom and Myung Ho Lim},
	title = {The Relationships between Smartphone Addiction of Middle School Students and Smartphone Usage Types, Depression, ADHD, Stress, Interpersonal Problems, and Parenting Attitude},
	journal = {Preprints}
}