(3GOGQI GdeUGQa GdJbdjOjI hGdeUGQa GdGSdGejI (B: (3eONd ebGQf (B/ s - (3eMeO Shjdes ([S.N] : (3OGQ GdWHGYI GdMOjKI , s, 1987)
Keywords: (3JfXje hGOGQIs; (3GdHfhc GdGSdGejIs; (3GdHfhcs