Sidharta, Veronika, 		Anggraeni, Patricia, 		Wahyuningsih, Komang, AND 		Mariani, Mariani.
" The association between vitamin D intake and sleep quality index within the 17-35 year age group" <em>Riset Informasi Kesehatan</em> [Online], Volume 12 Number 1 (21 June 2023)