(3ZQGFH hYLGFH GdfSGA ai GdJGQjN GdbOje hGdMOjK (B/ s - (3SjO UOjb YHOGdaJGMs ([S.N] : (3ecJHI eOHhdi , s, 1992)
Keywords: (3GdeQCI ai GdGOHs; (3GdeQCI ai GdJGQjNs