Sidharta, V., 		Anggraeni, P., 		Wahyuningsih, K., & 		Mariani, M.
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 The association between vitamin D intake and sleep quality index within the 17-35 year age group.
<em>Riset Informasi Kesehatan, 12</em>(1), 38-43.
doi:10.30644/rik.v12i1.738