(3cJGH hbGjI GdfHGJ (B((3GeQGV GdfHGJ hebheJgG(B) / s - (3eUWai GdfLGQis; (3Jhajb YHO GdMbs ([S.N] : (3OGQ GdeYQaI , s, 1981)
Keywords: (3GeQGVs; (3GdGaGJ GdRQGYjIs; (3GdfHGJs