id	keyword
ajssms-7290	pollution
ajssms-7290	environment
ajssms-7290	tax
ajssms-7290	taxes
ajssms-7290	journal
ajssms-7290	iraq
ajssms-7290	research
ajssms-7290	studies
ajssms-7290	effects
ajssms-7290	activities
ajssms-7290	asian
ajssms-7290	state
ajssms-7290	water