Ardian, I., & 		Nuraini, N.
(2018).
The Effectiveness of  Brain Gym and Brain Vitalization Gym in  Increasing Cognitive Function of The Elderly in Pucang Gading Social  Rehabilitation Unit of Semarang.
<em>NurseLine Journal, 3</em>(1), 38-45.
doi:10.19184/nlj.v3i1.7001