(3GdGUhd GdYdejI ddJShjb hGdHjY hGdGYdGf (B/ s - (3fHjd GdMSjfi GdfLGQs ([S.N] : (3ecJHI Yjf TeS , s, 1991)
Keywords: (3GOGQI GdGYeGds; (3GdGOGQIs; (3GdJShjbs; (3GdYQV hGdWdHs; (3GdGShGbs; (3GdGYdGfs; (3GdOYGjIs; (3GSJQGJjLjI GdefGaSIs; (3GdeHjYGJs