id	keyword
hassl-3924	apartment
hassl-3924	research
hassl-3924	end
hassl-3924	factors
hassl-3924	decision
hassl-3924	study
hassl-3924	housing
hassl-3924	quality
hassl-3924	hypothesis
hassl-3924	lifestyle
hassl-3924	vietnam
hassl-3924	end apartment
hassl-3924	environment