Janatunnisa, Hesti, Didik Iman Margatot, and Nur Haryani. 2025. “Enhancing Cognitive Function in Older Adults through Brain Gym: A Community Implementation in Petoran Hamlet, Surakarta”. Jurnal Kesehatan Komunitas Indonesia 5 (3). Jombang, Indonesia:262-74. https://doi.org/10.58545/jkki.v5i3.523.