SILVIA, Elwitri.
 Perbedaan Kadar 25 (OH)D Serum menurut Pola Makan Sirkadian pada Remaja Putri Etnis Minangkabau.
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ISSN 2798-5202. Available at: &lt;<a href="https://www.e-journal.ivet.ac.id/index.php/IJNuFo/article/view/1996" target="_new">https://www.e-journal.ivet.ac.id/index.php/IJNuFo/article/view/1996</a>&gt;. Date accessed: 06 july 2025.