Sachiko Okada
- A Study on Distribution and Reuse of Tram Line Paving Stones in Japan. Présenté pendant: Fourth International Congress on Construction History, Paris, 3-7 July 2012. (2012):
- Historical Research for the Planning and Construction of Misumi Port. Présenté pendant: Fourth International Congress on Construction History, Paris, 3-7 July 2012. (2012):