id	keyword
aeasj-205	waste
aeasj-205	management
aeasj-205	waste management
aeasj-205	willingness
aeasj-205	household
aeasj-205	services
aeasj-205	management services
aeasj-205	urban
aeasj-205	economic
aeasj-205	probability
aeasj-205	factors
aeasj-205	model