Azizah, I. N., S. Juwariyah, and P. A. Handayani. “Perbedaan Brain Gym Dan Puzzle Therapy Terhadap Fungsi Kognitif Lansia”. Indonesian Journal of Nursing Research (IJNR), vol. 9, no. 1, May 2026, pp. 42-53, doi:10.35473/ijnr.v9i1.4997.