(3MJi dGJchf aJfI eLehYg QSGFd (B/ s - (3ZGRi YHOGdQMef GdbUjHis ([S.N] : (3dG jhLO , s, 1991)
Keywords: (3GdGOH GdYQHis; (3GdQSGFd GdYQHjIs; (3GdeLehYGJs