(3GdHQeLI HGSJNOGe bGYOI GdHjGfGJ (B4 / s - (3Ydi eMehO Hgdhds ([S.N] : (3OGQ GdcJH GdYdejI ddfTQ hGdJhRjY , s, 1993)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3bGYOI GdHjGfGJs; (3HQGeL GdMGSHGJ GdGdcJQhfjIs