id	keyword
american_scientific_journal-631	salt
american_scientific_journal-631	surabaya
american_scientific_journal-631	production
american_scientific_journal-631	land
american_scientific_journal-631	model
american_scientific_journal-631	technology
american_scientific_journal-631	research
american_scientific_journal-631	city
american_scientific_journal-631	farmers
american_scientific_journal-631	people
american_scientific_journal-631	engineering