Items where Author is "Ritonga, Elizabeth Victoria Fedora"
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Thesis
Ritonga, Elizabeth Victoria Fedora (2018) Hubungan antara durasi penggunaan telepon genggam dengan kualitas tidur mahasiswa Fakultas Kedokteran Universitas Pelita Harapan = The Relationship between Duration of Mobile Phone Use with Sleep Quality among Medical Students in Pelita Harapan University. Bachelor thesis, Universitas Pelita Harapan.