(3GdfXGFQ ai GdHMhK hGdGfJGL (B/ s - (3eMeO GSeGYjd YHOGddWjas; (3GMeO Ydi LfjOis ([S.N] : (3eDSSI GdGgQGe , s, 1977)
Keywords: (3GdWGbI GdPQjIs