Rizki Anggraini, I., ., N.A., Marwah Sofa, S. and Dwi Marta, F. 2023. Differences in The Level of Learning Concentration of Grade V Elementary School Students Before and After Brain Gymnastics (Brain Gym). KnE Medicine. 3, 3 (Jun. 2023), 359–370. DOI:https://doi.org/10.18502/kme.v3i3.13523.