(3GdJYGed eY (BMs DOS (3fXGe dJTZjd GdMGSHGJ GdTNUjI (B/ s - (3eLOi ebHhd ZQjHs; (3YHOGdMdje YHOGdYRjR eGRis ([S.N] : (3OGQ GdeLO ddOQGSGJ hGdHMhK GdgfOSjI , s, 1993)
Keywords: (3GdMGSHGJ GdGdcJQhfjIs; (3OhSs; (3HQGeL GdMGSHGJ GdGdcJQhfjIs