Newton, Marjasa D. Dicky, and Fransiskus Harf Poluan. “The Relationship Between Long Use of Communication Devices That Emit Blue Light With Sleep Quality”. Journal of Drug Delivery and Therapeutics, vol. 12, no. 5-S, Oct. 2022, pp. 69-74, https://doi.org/10.22270/jddt.v12i5-S.5631.