id	keyword
arees-4440	lagoon
arees-4440	pollution
arees-4440	water
arees-4440	environmental
arees-4440	study
arees-4440	chemu
arees-4440	ghana
arees-4440	chemu lagoon
arees-4440	waste
arees-4440	respondents
arees-4440	asian
arees-4440	table
arees-4440	area
arees-4440	residents
arees-4440	results
arees-4440	concentrations
arees-4440	years
arees-4440	quality
arees-4440	vol
arees-4440	tema