(3LGeY GdOQhSI GdYQHjI(B: (3ehShYI ai KdGK GLRGA (B/ s - (3eUWai GdZdGjjfis ([S.N] : (3efThQGJ GdecJHI GdYUQjI , s, 1992)
Keywords: (3GdfMhs; (3GddZI GdYQHjIs