Similarities and differences in core symptoms of problematic smartphone use among Chinese students enrolled in grades 4 to 9: A large national cross-sectional study
| Autor: | Ruihan, Cai, Zhitong, Zhou, Zhiyan, Chen, Hongge, Luo |
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| Zdroj: | In Addictive Behaviors January 2025 160 |
| Databáze: | ScienceDirect |
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