Rizki Anggraini, Ika, Nurul Aini ., Sukma Marwah Sofa, and Freeska Dwi Marta. 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), 359–370. https://doi.org/10.18502/kme.v3i3.13523.