TEXTBOOKS
- Sistem Bentuk Struktur Bangunan (Structure system) in co-operation with Dr.-Ing. Heinz Frick, 1998, Yogyakarta, Kanisius Publisher, ISBN: 979-672-215-1, 160 pages
- Arsitektur Tropis Sebagai Jiwa Arsitektur Nusantara dalam Naskah Arsitektur Nusantara (Tropical Architecture as Soul of Archipelago Architecture in Manuscript of Archipelago Architecture), 1999, Surabaya, Nadira publisher, ISBN : 979-95803-0-7, 210 pages
- Indonesian Traditional Architecture as a Model of Ecological Architecture for the Tropics in Eco-Architecture Related Topic, 2000, Semarang, Soegijapranata Catholic University Press, ISBN: 979-8366-37-9, 76 pages
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