Dipl.-Ing. Arsitek: German-trained Indonesian architects from the 1960s

Beberapa aspek linguistik Indonesia = Some aspects of Indonesian linguistics

Perbandingan Desain Elemen pada Fasad Bangunan Jengki Rancangan Arsitek dan Aannemer (Studi Kasus: Jengki di Kebayoran Baru dan Jengki Sumenep, Madura) = Comparison of Design Elements in the Facades of Jengki Buildings Designed by Architects and Aannemer (Case Studies: Jengki in Kebayoran Baru and Jengki in Sumenep, Madura)

Aspek-aspek international perjuangan kemerdekaan Indonesia 1945-1949 = International aspects of the Indonesian struggle for Independence 1945-1949.

Aspek-aspek Arkeologi Indonesia=Aspects of Indonesian archaeology : megalithic traditional in Sembiran - North Bali