id	keyword
hungeobull-7461	border
hungeobull-7461	russian
hungeobull-7461	kazakhstan
hungeobull-7461	regions
hungeobull-7461	economic
hungeobull-7461	border regions
hungeobull-7461	integration
hungeobull-7461	belarus
hungeobull-7461	borderland
hungeobull-7461	convergence
hungeobull-7461	divergence
hungeobull-7461	cooperation
hungeobull-7461	trade
hungeobull-7461	bulletin
hungeobull-7461	soviet
hungeobull-7461	population
hungeobull-7461	state