id	keyword
app01-9637	waste
app01-9637	waste management
app01-9637	districts
app01-9637	municipal
app01-9637	performance
app01-9637	slovakia
app01-9637	efficiency
app01-9637	recycling
app01-9637	košice
app01-9637	nad
app01-9637	index
app01-9637	management performance
app01-9637	legislation
app01-9637	environmental
app01-9637	treatment
app01-9637	rate
app01-9637	technical
app01-9637	directive
app01-9637	indicators
app01-9637	table