id	keyword
gujaf-253	energy
gujaf-253	university
gujaf-253	accounting
gujaf-253	state
gujaf-253	department
gujaf-253	growth
gujaf-253	prof
gujaf-253	consumption
gujaf-253	study
gujaf-253	fdi
gujaf-253	south
gujaf-253	test
gujaf-253	granger
gujaf-253	et al
gujaf-253	finance
gujaf-253	africa
gujaf-253	causality
gujaf-253	energy consumption