Pourzabih,S , , Arefnazari,M , , Tajeri,B , and Delbari,A . "Investigating the Effectiveness of Ecotherapy on Insomnia and Agitation in Alzheimer's Patients", Medical Journal of Mashhad university of Medical Sciences, 64, 1, 2021, 2413-2422. doi: 10.22038/mjms.2021.18210