Yulianti, N.R., Puspita, A.D.A. and Wahyuningrum, E. 2025. Sleep Disturbances and Concentration in Elementary School Students. Informasi dan Promosi Kesehatan . 4, 1 (Jun. 2025), 83–90. DOI:https://doi.org/10.58439/ipk.v4i1.385.