Season	Project name	Country name	Field
Mar., 2009 ~ Oct., 2009	Basic Study for Water and Sanitation Sector in the Republic of Paraguay	Paraguay	Social Development
Jun., 1995 ~ Jul., 1995	Waste Disposal Management for Asuncion City	Paraguay	Environment
Jul., 1985 ~ Feb., 1987	Storm Drainage System Improvement Project in Asuncion	Paraguay	Sewerage and Drainage