id	keyword
grj-47	teak
grj-47	ghana
grj-47	provenance
grj-47	trial
grj-47	et al
grj-47	cluster
grj-47	india
grj-47	resources
grj-47	url
grj-47	analysis
grj-47	tanzania
grj-47	wanders
grj-47	material
grj-47	doi