Search History Select to load keywords (author equals "กรกฎ วงษ์สุวรรณ") AND (subject equals "Flood control -- Thailand -- Chiang Rai") AND (subject equals "Social Sciences") AND (subject equals "การบริหารโครงการ") AND (subject equals "มูลค่า (เศรษฐศาสตร์)")
Use filters to refine the search results.
