Etik Pratiwi. “Gambaran Pelaksanaan Senam Otak (Brain Gym) Pada Lansia Di Panti Wredha Budi Dharma Yogyakarta”. Jurnal Keperawatan Notokusumo 4, no. 1 (August 8, 2016): 77–83. Accessed October 5, 2025. https://jurnal.stikes-notokusumo.ac.id/index.php/jkn/article/view/53.