Siswanti, Heny, et al. “The Effect Of Brain Exercise On The Ability Of Recovery Of Memory Functions Of Non-Hemorric Stroke Clients At Permata Bunda Purwodadi-Grobogan Hospital”. Prosiding University Research Colloquium, Dec. 2021, pp. 1031-45, https://repository.urecol.org/index.php/proceeding/article/view/1667.