id	keyword
american_scientific_journal-5616	water
american_scientific_journal-5616	mekong
american_scientific_journal-5616	river
american_scientific_journal-5616	mekong river
american_scientific_journal-5616	basin
american_scientific_journal-5616	countries
american_scientific_journal-5616	security
american_scientific_journal-5616	development
american_scientific_journal-5616	river basin
american_scientific_journal-5616	water security
american_scientific_journal-5616	resources
american_scientific_journal-5616	mekong basin
american_scientific_journal-5616	delta
american_scientific_journal-5616	dams
american_scientific_journal-5616	economic