Alternatif Desain Pondasi pada Tanah Lunak. Seminar Satu Hari (11 September 1989)

Perencanaan Sumber Daya Keselamatan Konstruksi Pada Struktur Atas Pembangunan Stadion Berbasis Bim = Bim-Based Resource Planning for Construction Safety in Upper Stadium Structure Development

Pengaruh Densitas Penyemprotan Air terhadap Perambatan Kalor di Double-Skin Facade = Water Spray Density Influence in Water mist Spraying to Heat Transfer in Double-Skin Facade

Strategi peningkatan kompetensi ahli muda K3 konstruksi pada unit kompetensi “identifikasi dan pengendalian resiko bahaya” serta “mengontrol kondisi dan tindakan tidak aman” bidang konstruksi bangunan gedung = Competency improvement strategy for construction safety technician in competency unit "hazard identification and risks control" and "controlling unsafe conditions and unsafe act" in building construction.

Perpaduan Gaya Bangunan pada Gereja Santo Yoseph Matraman (Awal Abad ke-20) di Jakarta Timur = The Combination of Building Style of the St. Joseph Church in Matraman (Early 20th Century), East Jakarta.