Abdullah Assjidiq, Agus Purnama, Ristinawati Ristinawati and Siti Rafika Putri 2026. The Effect Of Fishing Ball Therapy And Puzzle Therapy On Cognitive Function In Elderly Patients With Dementia At Club Bugar Ideal, Bojonggede District, Bogor Regency In 2025. International Journal of Health Engineering and Technology. 5, 1 (May 2026). DOI:https://doi.org/10.55227/ijhet.v5i1.766.