HUBUNGAN DURASI PENGGUNAAN SMARTPHONE DENGANNYERI LEHER PADA MAHASISWA UPN VETERAN JAKARTA
Smartphones are considered to be the most popular portable electronic devices today. The number of smartphone users worldwide is estimated to reach 3.5 billion by the end of 2019 and is expected to reach 3.8 billion by 2021. Some literature states that the current use of mobile phones has overcome m...
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| Hoofdauteur: | |
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| Formaat: | Boek |
| Gepubliceerd in: |
2021-07-16.
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| Online toegang: | Link Metadata |
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| Plaatsingsnummer: |
A1234.567 |
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| Kopie 1 | Beschikbaar |