(3hUa GdfHj Udi Gddg Ydjg h Sde h cCfc JQGg (B/ s - (3GdTgGhj, eLOj eMeOs ((3GdbGgQI (B:s (3ecJHI EHf SjfG,s, 1991)
Keywords: (3GdSjQI GdfHhjIs