(1981). Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY.
Lua i Stíl Chicago (17ú heag.)Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY, 1981.
Lua MLA (8ú heag.)Seminar Ilmiah Dermaga Tanjung Perak Surabaya 7-9 September 1981. FT-UAJY, 1981.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.