Hudijono, S, and Budi Widiyanto. “Factors Influencing Sleep Quality Among Elderly At Geriatric Residence Of Rindang Asih Ungaran Semarang”. LINK 8, no. 3 (August 28, 2015): 375–383. Accessed October 21, 2026. https://ejournal.poltekkes-smg.ac.id/ojs/index.php/link/article/view/312.