id	keyword
easat-8529	access
easat-8529	water
easat-8529	urban
easat-8529	vol
easat-8529	services
easat-8529	pala
easat-8529	population
easat-8529	chad
easat-8529	education
easat-8529	sanitation
easat-8529	cities
easat-8529	figure
easat-8529	africa
easat-8529	health
easat-8529	authors
easat-8529	infrastructure
easat-8529	drinking
easat-8529	development
easat-8529	learning
easat-8529	sub
easat-8529	science
easat-8529	technology
easat-8529	gate
easat-8529	issn
easat-8529	doi